Which of the following is the correct increasing order of stability of free radicals.
(CH3)2CH0 < (CH3)2CH0 < (C6H5)20CH < (C6H5)3C0
(CH3)2CH0 < (CH3)2C0 < (C6H5)30C < (C6H5)2C0
(C6H5)30C < (C6H5)20CH < (CH3)30C < (CH3)20CH
(C6H5)20CH < (C6H5)2C0 < (CH3)30C < (CH3)20CH
The number of enantiomers and mesa forms for the compound ,
HOOC-CH(CH3)-CHOH-CHBr-CHOHCH(CH3)-COOH are respectively:
12 , 2
12 , 4
8 , 4
8 , 2
Which of the following yields as a major product is mono chlorination of ethyl benzene in the presence of light and heat.
m- chlorotoluene
a mixture of -O- and p-chlorotoluene
1-chloro-2- phenylethane
1-chloro -1- phenyl ethane
The correct IUPAC name of
4-methyoxy -2- nitrobenzaldehyde
4-formyl -3- nitro anisole
4- methoxy -6- nitrobenzaldehyde
2-formyl -5- methoxy nitrobenzene
The correct order of stability of carbocations, is :
1 < 2 < 3 < CH3
H3 < 1 < 2 < 3
3 < 2 < 1 < H3
2 < 3 < 1 < H3
The IUPAC name of the following compound is
bicyclo [2, 2, 0] octane
bicyclo [0, 2, 2] hexane
bicyclo [2, 1, 1] hexane
bicyclo [2, 2, 0] hexane
The following compound can not exhibit
CH3CH = CH - CH(OH).COOH
geometrical isomerism
optical isomerism
metamerism
position isomerism
C.
metamerism
The compound shown in the figure below can show optical isomerism, geometrical isomerism and position isomerism. But it cannot exhibit metamerism as it has no functional group which is polyvalent.