The order of following alkynes in increasing number of acidic hydrogen is
III < I < II < IV
I < III < IV < II
I < II < III < IV
I < III < II < IV
Compound IV has 3 acidic hydrogen, II has 2 acidic hydrogen, III has 1 acidic hydrogen, I has no acidic hydrogen
In the following molecules: CH3Br, CH3F, CH3Cl, CH3I I , II , III , IV The correct order of dipole moment will be:
The priority sequence of the following substituent according to E-Z system of nomenclature is?
-C≡CH; -C (CH3)3; -CH= CH2; -CH(CH3)2
I II III IV