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Q.

Assertion : Oxygen is more electronegative than sulfur, yet H2S is acidic, while H2O is neutral.

Reason: HS bond is weaker than OH bond.

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a

Both (A) and (R) are true but (R) is not the correct explanation of (A)

b

Both (A) and (R) are true and (R) is the correct explanation of (A)

c

Both (A) and (R) are false

d

(A) is true but (R) is false

answer is A.

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Detailed Solution

H2S is acidic while H2O is neutral, oxygen has a greater electronegative charge than Sulphur. Because the OHbond is stronger than the HS bond.

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