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Q 2752156034.    

Assertion : Carbon has unique ability to form `p pi -p pi` multiple bonds with itself and with other atoms of small size and high electronegativity.

Reason : Heavier elements of group `14`th do not form `p pi - p pi` multiple bonds with itself because their atomic orbitals are too large and diffuse to have effective overlapping.

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

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