Which of the following compounds is not chiral?
1-chloro-2-methyl pentane
2-chloropentane
1-chloropentane
3-chloro-2-methyl pentane
The IUPAC name of the following compound is
3-ethyl-2-methylbutanal
2, 3-dimethylpentanal
2-ethyl-3-methylbutanal
2-ethyl-3-methylbutan-3-al
Which of the following is not a isomer of pentane?
n-pentane
2, 2-dimethyl 1-propane
2, 3-dimethyl 1-butane
2-methyl 1-butane
The minimum numbers of carbon atoms in ketones which will show chain isomerism will be
7
4
6
5
D.
5
There are minimum five carbon atoms in ketones which will show chain isomerism.
i. CH3-CO-CH2-CH2-CH3
ii. CH3-CO-CH(CH3)2