CBSE
Multiple Choice QuestionsRate determining step in nitration of benzene is
formation of NO2+
formation of carbocation
replacement of H atom
none of these.
The stability of Me2C=CH2 is more than that of MeCH2CH=CH2 due to:
inductive effect of the Me groups
resonance effect of the Me groups
hyperconjugation effect of the Me groups
resonance as well as the inductive effect of the Me groups
The most likely protonation site in the following molecule is
C-1
C-2
C-3
C-6
The 4th higher homologue of ethane is
butane
pentane
hexane
heptane
The ease of nitration of the following three hydrocarbons follows the order:
II = III = I
II > III > I
III > II > I
I = III > II
In 2-butene, which one of the following statements is true?
C1-C2 bond is sp3-sp3 --bond
C2-C3 bond is sp3-sp2 --bond
C1-C2 bond is an sp3-sp2 --bond
C1-C2 bond is an sp2-sp2 --bond
The structure of isobutyl group in an organic compound is
C2H6CHCH2
1,4-dimethylbenzene on heating with anhydrous AlCl3 and HCl produces
1, 2-dimethylbenzene
1, 3-dimethylbenzene
1, 2, 3-trimethylbenzene
ethylbenzene
Among the alkenes which one produces tertiary butyl alcohol on acid hydration?
CH3-CH2-CH=CH2
CH3-CH=CH-CH3
(CH3)2C=CH2
CH3-CH=CH2
Friedel-Craft's reaction using MeCl and anhydrous AlCl3 will take place most efficiently with:
benzene
nitrobenzene
acetophenone
toluene
