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Base strength of `(1) H_(3)Coverset(Theta)(C)H_(2), (2) H_(2)C=overset(Theta)(C)H` and (3) `H-C-=overset(Theta)(C)` is in the order ofA. `(i) gt (iii) gt (ii)`B. `(i) gt (ii) gt (iii)`C. `(ii) gt (i) gt (iii)`D. `(iii) gt (ii) gt (i)` |
Answer» Correct Answer - B `underset(sp^(3))(CH_(3)-overset(Θ)(C)H_(2)) " " underset(sp^(2))(CH_(2)=overset(Θ)(C)H) " " underset(sp)(CH-=overset(Θ)(C))` order of electro negativity `sp gt sp^(2) gt sp^(3)` on increasing E.N. basic strength decreases hence order is `CH_(3)-overset(Θ)(C)H_(2) gt CH_(2) = overset(Θ)(C)H gt CH -= overset(Θ)(C)`. |
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