I can't put 10 grams of H+ into water unless the H+ is in a compound with another element or more. the more nelectronegative have more tightly held nonbonding electrons that are less reactive toward forming new bonds. Why can a secondary carbocation be more stable than a tertiary. 1 0. (i) OH-(ii) Cl- is equally strong as Br-(iii) H2PO4-I know that OH- is a stronger base than H20. Would H2P04 be a stronger base because it is more likely to accept hydrogen? Join Yahoo Answers and get 100 points today. NH3 is a stronger base, and it actually exists. Rule (1) states that the more electronegative the atom holding the proton/hydrogen, the more acidic the group. OH- is a weak base and its conjugate acid is H2O, hence H2O is a strong acid. Did we notice that the only deifference between the two molecules is their electronegative charges? Similarly, N is larger than O, and thus the N-H bond is longer than the O-H bond. Why is the periodic table organized the way it is? we can consider NH2- , OH-, F-but the Nucleophilicity decreases from left to right in periodic table , following the increase in electronegativity from left to right. But, for acidity, O-H is the strongest acid of the 3, even though the O-H is the strongest bond. A base is something when dissolved in water wants to give up OH- ions. If you say the base is sodium amide then sodium amide is a stronger base than ammonia. Re: Which is the strongest Base? New comments cannot be posted and votes cannot be cast. The formula for the conjugate acid of HC2O4- is? If you say the base is sodium amide then sodium amide is a stronger base than ammonia. By using our Services or clicking I agree, you agree to our use of cookies. Neutral molecules can either give * hcl = h+ and cl-* or recieve protons *nh3 = nk4+ * in solution. Since the question was asked for either NH2- or NH3, I went with NH3 since it is an actual base that can be added to water. The way this question is asked leaves options for the answer. or numbers? A Nucleophile is a species which can donate its electron pair to Electrophile to form a chemical bond. also: One of these alkenes shows cis-trans isomerism. Neutral molecules can either give * hcl = h+ and cl-* or recieve protons *nh3 = nk4+ * in solution. Ammonia can form OH- ions because it pulls at a single hydrogen atom of the H2O and so the water molecule can dissociate somewhat into H+ and OH- ions , with the H+ attracted to the NH3 to form NH4 which is at a lower energy level also. Since chlorine is a stronger electron acceptor, would that make it a stronger acid based on Lewis method? NH2 because it can accept 2 protons whereas NH3 can only accept 1. What do you think of the answers? As bases get more complex, another factor concerning the stability of the ions formed becomes important. 4. When you are H2-, you need 2H+. You can sign in to give your opinion on the answer. Check out the sidebar for useful resources & intro guides. Would H2P04 be a stronger base because it is more likely to accept hydrogen? ", the answer would be NH4+. Damit Verizon Media und unsere Partner Ihre personenbezogenen Daten verarbeiten können, wählen Sie bitte 'Ich stimme zu.' The conjugate acid of stronger base is a weak acid. I greatly appreciate. But the question didn't ask which is a stronger acid H2SO4 or HCL......it asked which is stronger, H+ or H2SO4 ? H2N- is a stronger base than hydroxide ion. NH3 is a stronger base, and it actually exists. In general negatively charged elements easily accept ions than positively charged or neutral elements . As an aside, these rules apply to compounds that are not already charged. And an N anion is more stable than a C anion. It is ammonia. ? Which is the stronger acid, NH3 or H2O? Do radioactive elements cause water to heat up? NH2 is a functional amine group but is not actually a base since it can not be isolated as a compound, it is just an ion. Daten über Ihr Gerät und Ihre Internetverbindung, darunter Ihre IP-Adresse, Such- und Browsingaktivität bei Ihrer Nutzung der Websites und Apps von Verizon Media. I would compare it to if the question was "which is a stronger acid , H+ or H2SO4 ? Did we notice that the only deifference between the two molecules is their electronegative charges? The amide ion, NH2−, is a very strong base; it is even stronger than OH−. If the question was, "Which is more acidic: CH3OH or NH4+? NH3 is a stronger base, and it actually exists. C-H is a weaker bond than N-H, and N-H is a weaker bond than O-H. . What is the equation for the reaction that occurs when an amide ion is placed in water. Why is the periodic table organized the way it is? CH3- is a far stronger base than OH- mainly because of the electronegativity of O--this means that the negative charge is far more stable on O than on C. This electronegativity difference translates to CH4 being a weaker acid compared to H2O. Get your answers by asking now. The #1 social media platform for MCAT advice. 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is nh2 a stronger base than oh

So for acidity, the stability of the negative anion is more important than bond strength, correct? A base is something when dissolved in water wants to give up OH- ions. we can consider NH2- , OH-, F-but the Nucleophilicity decreases from left to right in periodic table , following the increase in electronegativity from left to right. Similarly, N is larger than O, and thus the N-H bond is longer than the O-H bond. Taken together, these mean that methylamine is a stronger base than ammonia. In general, there are four factors that primarily affect acidity: They are important in the order listed. Calculate the pH at the equivalence point in the titration of 30.0 mL of 0.25 M CH3COOH with 0.55 M KOH. In general negatively charged elements easily accept ions than positively charged or neutral elements . When you are H2-, you need 2H+. Press J to jump to the feed. NH2 is a functional amine group but is not actually a base since it can not be isolated as a compound, it is just an ion. So I guess it depends how you interpret the question. Ammonia can form OH- ions because it pulls at a single hydrogen atom of the H2O and so the water molecule can dissociate somewhat into H+ and OH- ions , with the H+ attracted to the NH3 to form NH4 which is at a lower energy level also. Calculate the pH at the equivalence point in the titration of 30.0 mL of 0.25 M CH3COOH with 0.55 M KOH. Determine the molar mass of an ideal gas B if 0.622 g sample of gas B occupies a volume of 300 mL at 35 °C and 1.038 atm.? And longer bonds means less strength. Bond disassociation energies are based on homolytic cleavage not heterolytic as in acid/base reactions. Get answers by asking now. Interconverting hydronium and hydroxide concentration at 25°C. NH2- is available as NaNH2 (sodium amide). Post questions, jokes, memes, and discussions. That concerns the way they interact with water molecules in the solution. i.e. (i) OH-(ii) Cl-(iii) H2AsO4-5. Determine the molar mass of an ideal gas B if 0.622 g sample of gas B occupies a volume of 300 mL at 35 °C and 1.038 atm.? I would compare it to if the question was "which is a stronger acid , H+ or H2SO4 ? So I guess it depends how you interpret the question. The formula for the conjugate acid of HC2O4- is. Blank ballots: 'I could not give my vote to either person', Britney Spears will not perform again due to legal setback, Student debt cancellation in focus amid Biden transition, There are only 15 lesbian bars left in the entire country, AP drops CMA Awards coverage over dispute, Le Batard rehires laid-off ESPN producer after 'hurtful' cuts, ‘Borat 2’ actress speaks out about infamous scene, How Va. gym managed to avoid coronavirus outbreak, Virus isn't the only thing keeping people from theaters, Pastor's message to those who contest election results. /r/MCAT is a place for MCAT practice, questions, discussion, advice, social networking, news, study tips and more. Blank ballots: 'I could not give my vote to either person', Britney Spears will not perform again due to legal setback, Student debt cancellation in focus amid Biden transition, There are only 15 lesbian bars left in the entire country, AP drops CMA Awards coverage over dispute, Le Batard rehires laid-off ESPN producer after 'hurtful' cuts, ‘Borat 2’ actress speaks out about infamous scene, How Va. gym managed to avoid coronavirus outbreak, Virus isn't the only thing keeping people from theaters, Pastor's message to those who contest election results, http://en.wikipedia.org/wiki/Sodium_amide. Ka = 1.8 x 10-5? If anyone can just confirm, that would be most helpful, thank you all so much! Similarly, N is larger than O, and thus the N-H bond is longer than the O-H bond. I would probably say the sulfuric acid because it exists and I can add it to water. This is because a negative charged O (Oxygen anion) is more stable than a N anion. NH2 is a functional amine group but is not actually a base since it can not be isolated as a compound, it is just an ion. And an N anion is more stable than a C anion. And you should just know the pkas of the acids and conjugate bases. aus oder wählen Sie 'Einstellungen verwalten', um weitere Informationen zu erhalten und eine Auswahl zu treffen. Do radioactive elements cause water to heat up? Since F is more electronegative, would it be more acidic? Get it Now, By creating an account, you agree to our terms & conditions, We don't post anything without your permission, Looking for Something Else? Identifying acids and bases by their reaction with water? © 2007-2020 Transweb Global Inc. All rights reserved. But, for acidity, O-H is the strongest acid of the 3, even though the O-H is the strongest bond. my conclusion is NH2- is strongest nucleophile. It is ammonia. So the equilibrium: NH2^- + H2O ⇋ NH3 + OH^-lies completely to the right. It is ammonia. O-H is the stronger bond than N-H, but is still the stronger acid (meaning, it can lose its H most easily). Interesting. Write an equation for the reaction that occurs when an amide ion is placed in water Get your answers by asking now. Join Yahoo Answers and get 100 points today. 12 hours ago, Posted Yahoo ist Teil von Verizon Media. Ask a Similar Question. Note: strong base is strong nucleophile. Note: All structures should be drawn with no bonds between carbon and hydrogen. Identifying acids and bases by their reaction with water? How would you apply Rule (1) to the difference in acidity between HF and HCl? Remember - the smaller the number the stronger the base. Ka = 1.8 x 10-5? You don't need to worry about that at this level. Note: This is a bit of a simplification for A' level purposes. The definition of an acid is a compound that can donate hydrogen protons. Why is the periodic table organized the way it is? Sie können Ihre Einstellungen jederzeit ändern. I can put 10 grams of sulfuric acid into water> I can't put 10 grams of H+ into water unless the H+ is in a compound with another element or more. the more nelectronegative have more tightly held nonbonding electrons that are less reactive toward forming new bonds. Why can a secondary carbocation be more stable than a tertiary. 1 0. (i) OH-(ii) Cl- is equally strong as Br-(iii) H2PO4-I know that OH- is a stronger base than H20. Would H2P04 be a stronger base because it is more likely to accept hydrogen? Join Yahoo Answers and get 100 points today. NH3 is a stronger base, and it actually exists. Rule (1) states that the more electronegative the atom holding the proton/hydrogen, the more acidic the group. OH- is a weak base and its conjugate acid is H2O, hence H2O is a strong acid. Did we notice that the only deifference between the two molecules is their electronegative charges? Similarly, N is larger than O, and thus the N-H bond is longer than the O-H bond. Why is the periodic table organized the way it is? we can consider NH2- , OH-, F-but the Nucleophilicity decreases from left to right in periodic table , following the increase in electronegativity from left to right. But, for acidity, O-H is the strongest acid of the 3, even though the O-H is the strongest bond. A base is something when dissolved in water wants to give up OH- ions. If you say the base is sodium amide then sodium amide is a stronger base than ammonia. Re: Which is the strongest Base? New comments cannot be posted and votes cannot be cast. The formula for the conjugate acid of HC2O4- is? If you say the base is sodium amide then sodium amide is a stronger base than ammonia. By using our Services or clicking I agree, you agree to our use of cookies. Neutral molecules can either give * hcl = h+ and cl-* or recieve protons *nh3 = nk4+ * in solution. Since the question was asked for either NH2- or NH3, I went with NH3 since it is an actual base that can be added to water. The way this question is asked leaves options for the answer. or numbers? A Nucleophile is a species which can donate its electron pair to Electrophile to form a chemical bond. also: One of these alkenes shows cis-trans isomerism. Neutral molecules can either give * hcl = h+ and cl-* or recieve protons *nh3 = nk4+ * in solution. Ammonia can form OH- ions because it pulls at a single hydrogen atom of the H2O and so the water molecule can dissociate somewhat into H+ and OH- ions , with the H+ attracted to the NH3 to form NH4 which is at a lower energy level also. Since chlorine is a stronger electron acceptor, would that make it a stronger acid based on Lewis method? NH2 because it can accept 2 protons whereas NH3 can only accept 1. What do you think of the answers? As bases get more complex, another factor concerning the stability of the ions formed becomes important. 4. When you are H2-, you need 2H+. You can sign in to give your opinion on the answer. Check out the sidebar for useful resources & intro guides. Would H2P04 be a stronger base because it is more likely to accept hydrogen? ", the answer would be NH4+. Damit Verizon Media und unsere Partner Ihre personenbezogenen Daten verarbeiten können, wählen Sie bitte 'Ich stimme zu.' The conjugate acid of stronger base is a weak acid. I greatly appreciate. But the question didn't ask which is a stronger acid H2SO4 or HCL......it asked which is stronger, H+ or H2SO4 ? H2N- is a stronger base than hydroxide ion. NH3 is a stronger base, and it actually exists. In general negatively charged elements easily accept ions than positively charged or neutral elements . As an aside, these rules apply to compounds that are not already charged. And an N anion is more stable than a C anion. It is ammonia. ? Which is the stronger acid, NH3 or H2O? Do radioactive elements cause water to heat up? NH2 is a functional amine group but is not actually a base since it can not be isolated as a compound, it is just an ion. Daten über Ihr Gerät und Ihre Internetverbindung, darunter Ihre IP-Adresse, Such- und Browsingaktivität bei Ihrer Nutzung der Websites und Apps von Verizon Media. I would compare it to if the question was "which is a stronger acid , H+ or H2SO4 ? Did we notice that the only deifference between the two molecules is their electronegative charges? The amide ion, NH2−, is a very strong base; it is even stronger than OH−. If the question was, "Which is more acidic: CH3OH or NH4+? NH3 is a stronger base, and it actually exists. C-H is a weaker bond than N-H, and N-H is a weaker bond than O-H. . What is the equation for the reaction that occurs when an amide ion is placed in water. Why is the periodic table organized the way it is? CH3- is a far stronger base than OH- mainly because of the electronegativity of O--this means that the negative charge is far more stable on O than on C. This electronegativity difference translates to CH4 being a weaker acid compared to H2O. Get your answers by asking now. The #1 social media platform for MCAT advice.

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