91Ó°ÊÓ

The total number of optically active isomers of the compound \(\mathrm{CH}_{2} \mathrm{OH}-\mathrm{CHBr}-\mathrm{CHOH}-\mathrm{CHBr}-\mathrm{CH}_{2} \mathrm{OH}\) is

The number of isomeric ethers corresponding to the formula \(\mathrm{C}_{5} \mathrm{H}_{12} \mathrm{O}\) is

The number of geometrical isomers of the following alkene \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}=\mathrm{CH}-\mathrm{Cl}\) is

How many structural isomers are possible for monobromodichloro benzene?

Underlined carbon is sp \(^{3}\) hybridized in (a) \(\mathrm{CH}_{3} \mathrm{CH}=\underline{\mathrm{CH}}_{2}\) (b) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{NH}_{2}\) (c) \(\mathrm{CH}_{3} \mathrm{CONH}_{2}\) (d) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CN}\)

The incorrect IUPAC name is (a) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{COOC}_{2} \mathrm{H}_{5}\) ethyl butanoate (b) CC(C)CC=O 3-methyl butanal (c) 2-methyl-3-pentanone (d) CC(C)C(C)O 2-methyl-3-butanol

Racemic mixture is formed by mixing two (a) isomeric compounds (b) chiral compounds (c) meso compounds (d) enantiomers with chiral carbon

A similarly between optical and geometrical isomerism is that (a) if in a compound, one is present then so is the other. (b) each forms equal number of isomers for a given compound (c) both are included in stereoisomerism (d) they have no similarly

Which of the following does not show geometrical isomerism? (a) 1, 1-dichloro-1-pentene (b) 1,2 -dichloro-1-pentene (c) 1,3 -dichloro-1-pentene (d) 1,4 -dichlroro-2-pentene

The IUPAC name of \(\mathrm{CH}_{3} \mathrm{COCH}\left(\mathrm{CH}_{3}\right)_{2}\) is (a) 4 -methyl isopropyl ketone (b) 3-methylbutan-2-one (c) isopropylmethyl ketone (d) 2-methylbutan-3-one