1.

(A): The carbon -carbon bond lengths in benzene molecule are 1.54 A^@ and 1.34A^@ (R): Benzene has delocalised p - bonds

Answer»

Both A and R are TRUE and R is CORRECT EXPLANATION of A 
Both A and R are true. R is not the correct explanation of A 
A is true but R is false 
A is false but R is true 

ANSWER :D


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