Q.

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : H2Te is more acidic than H2S. 

Reason R: Bond dissociation enthalpy of H2Te is lower than H2S. 

In the light of the above statements.Choose the most appropriate from the options given below.

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a

A is true but R is false

b

Both A and R are true and R is the correct explanation of A. 

c

Both A and R are true but R is NOT the correct explanation of A.

d

A is false but R is true.

answer is B.

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Detailed Solution

Due to lower Bond dissociation enthalpy of H2Te it ionizes to give H+ more easily than H2S

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