1.

(A) : Carbon-carbon bond energy values are in the order C_(2)H_(2) gt C_(2)H_(4) gt C_(2)H_(6) (R ): Bond energy increases with increase in the bond order

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A and R are true, R explains A
A and R are true, R does not explain A
A is true, but R is FALSE
A is false, but R is true

Answer :A


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