Which of the following is relatively stronger acid?

H_{2} S

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H C N

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H F

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C H_{3} C O O H

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Solution

The correct option is B $H_{2} S$
S is the larger atom that H, F, C and also the H-S bond is much longer and stronger than HCN, HF, CH3COOH.
So, the correct option is H2S.

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Similar questions

The heats of neutralisation of $C H_{3} C O O H$ , HCOOH, HCN and $H_{2} S$ are -12.8, -13.2, -3.2 and -3.9 kcal per equivalent. Arrange these acids in increasing order of strength.

Enthalpy of hydrogenation is the enthalpy change when one mole of unsaturated compound is converted to saturated compound. $Δ_{H} h y d r o g e n a t i o n$ helps to calculate resonance energy.

The heat of neutralization of $C H_{3} C O O H, H C O O H, H C N$ and $H_{2} S$ are -12.8, -13.2, -3.2 and -3.9 Kcal per equivalent. Arrange these acids in increasing order of strength.

Q. (a) Mention conjugate base of each of the following:

H S^{-}, H_{3} O^{+}, H_{2} {P O}_{4}^{-}, H {S O}_{4}^{-}, H F, {C H}_{3} C O O H, C_{6} H_{5} O H, H C l O_{4}, {N H}_{4}^{+}

(b) Mention the conjugate acid of each of the following:

{O H}^{-}, {C H}_{3} C O O^{-}, {C l}^{-}, {C O}_{3}^{2 -}, H_{2} {P O}_{4}^{-}, {C H}_{3} {N H}_{2}, {C H}_{3} C O O H, {N H}_{2}^{-}

H_{2} O, H {C O}_{3}^{-}, H_{2} {S O}_{4}, H_{3} {P O}_{4}, H S^{-}, {N H}_{3}

(d) Which is stronger acid in each of the following pairs?

H C l, H I; H_{2} {C O}_{3}, H_{2} {S O}_{4}; H_{2} O, H_{2} S; C_{2} H_{5} O H, C_{6} H_{5} O H

(e) Which is stronger base in each of the following pairs?

{O H}^{-}, {C l}^{-}; {O H}^{-}, {N H}_{2}^{-}; {O H}^{-}, {C H}_{3} C O O^{-}; {C H}_{3} C O O^{-}, {C l}^{-}; {N H}_{3}, {C H}_{3} {N H}_{2}

(f) Classify the following into acids and bases according to Lewis concept:

S^{2 -}, H^{+}, {O H}^{-}, B F_{3}, {N i}^{2 +}, N F_{3}, A l {C l}_{3}, S n {C l}_{4}, {N H}_{3}, {({C H}_{3})}_{2} O

Q. Which is a stronger acid:

H C l

H F

The heats of neutralisation of $C H_{3} C O O H$ , HCOOH, HCN and $H_{2} S$ are -12.8, -13.2, -3.2 and -3.9 kcal per equivalent. Arrange these acids in increasing order of strength.

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Which of the following is relatively stronger acid?

The correct option is B H2SS is the larger atom that H, F, C and also the H-S bond is much longer and stronger than HCN, HF, CH3COOH.So, the correct option is H2S.

The correct option is B $H_{2} S$
S is the larger atom that H, F, C and also the H-S bond is much longer and stronger than HCN, HF, CH3COOH.
So, the correct option is H2S.