1.

In which of the compounds below is there more than one kind of hybridization `(sp,sp^(2),sp^(3))` for carbon? (i) `CH_(3)CH_(2)CH_(2)CH_(3)` (ii) `CH_(3)-CH=CH-CH_(3)` (iii) `H_(2)C-CH-CH-CH_(2)` (iv) `H-C-=C-H`A. (ii) and (iv)B. (i) and (iv)C. (ii) and (iii)D. (ii)

Answer» Correct Answer - D
(i) `overset(sp^(3))(CH_(3))-overset(sp^(3))(CH_(2))-overset(sp^(3))(CH_(2))-overset(sp^(3))(CH_(3))`
Only `sp^(3)` hybridized carbon
(ii) `overset(sp^(3))(CH_(3))-overset(sp^(2))(CH)=overset(sp^(2))(CH)-overset(sp^(3))(CH_(3))`
Both `sp^(2)` and `sp^(3)` hybridized carbon.
(iii) `overset(sp^(2))(CH_(2))=overset(sp^(2))(CH)-overset(sp^(2))(CH)=overset(sp^(2))(CH_(2))`
Only `sp^(2)` hybridized carbon.
(iv) `H-underset(sp)(C)-=underset(sp)(C)-H`
Only sp hybridized carbon.


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