1.

Assertion. Acidity of the C-H bond decreases in the order: HC-=CH gt H_2C =CH_2 gt CH_3 -CH_3 Reason. Acidity of the C-H bond increases as the electronegativity of the carbon to which it is attached increases

Answer»

If both ASSERTION and REASON are TRUE, and reason is the true EXPLANATION of the assertion.
If both assertion and reason are true, but reason is not the true explanation of the assertion.
If assertion is true, but reason is false.
If both assertion and reason are false

Answer :A


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