Carbocation with highest stability is
(A) `H_(3)C-CH_(2)^((+))`
(B) `CH_(2)=CH^((+))`
(C) `H_(2)C=CH-CH_(2)^((+))`
(D) `C_(6)H_(5)-CH_(2)^((+))`

The order of decreasing stability of the carbanions : (CH_(3))_(3)C^(-)(I),(CH_(3))_(2)CH^(-)(II), CH_(3)CH_(2)^(-)(III), C_(6)H_(5)CH_(2)^(-)(IV) is

What will be the increasing order of the stability of the following alkenes? i) H_(2)C=CH_(2) ii) CH_(3)CH=CH_(2) iii) CH_(3)CH_(2)CH=CH_(2) iv) (CH_(3))_(2)CHCH=CH_(2) v) (C)CH=CH_(2)

Consider the following carbocation- (a). CH_(3)-overset(o+)(C)H_(2) (b). CH_(2)=overset(o+)(C)H (c). CH_(2)=CH-overset(o+)(C)H_(2) (d). C_(6)H_(5)-Coverset(o+)(H)_(2)

The compound that reacts with NaOH . (A) CH_(3)OH (B) CH_(3)CH_(2)OH (C) C_(6)H_(5)OH (D) C_(6)H_(5)CH_(2)OH

Indicate the number of sigma -and pi -bonds in the following molecules: (i) CH_(3)-C-=C-H (ii) CH_(3)-CH=CH_(2) (iii) H_(2)C=C=CH_(2) (iv) CH_(3)-CH_(2)-CH_(3) (v) H_(2)C=C-CH-CH_(3) (vi) HC=C-CH=CHCH_(3) (vii) H_(2)C =CH-C-=N (viii) CH_(3)OH (ix) CH_(3)-C-=N (x) CH_(3)NO_(2) (xi) CH_(2)CI_(2) (xii) C_(6)H_(12) (Hexene)