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Chemical Reactivity

How would you...

Question

How would you account for the following:
$H_{2} S$ is more acidic than $H_{2} O$ .

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Solution

This is because bond dissociation enthalpy of $H - S$ bond is lower than that of $H - O$ bond.

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Similar questions

Q. Give reasons for the

H_{2} O

is less acidic than

H_{2} S

H_{2} S

is more acidic than

H_{2} O

H - S

bond is more polar than

H - O

Q. Oxygen is more electronegative than sulphur, yet

H_{2} S

is acidic while

H_{2} O

in neutral. This is because

Q. Assertion: Oxygen is more electronegative than sulphur, yet

H_{2} S

is acidic, while

H_{2} O

is neutral
Reason: H-S bond is weaker than O-H bond.

Q. Assertion :Oxygen is more electronegative than sulphur,yet

H_{2} S

is acidic, while

H_{2} O

is neutral Reason: H---S bond is weaker than O---H bond

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