Problem 167
The incorrect IUPAC name is (a) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{COOC}_{2} \mathrm{H}_{5}\) ethyl butanoate (b) 3-methyl butanal (c) 2-methyl-3-pentanone 2-methyl-3-butanol
Problem 168
Racemic mixture is formed by mixing two (a) isomeric compounds (b) chiral compounds (c) meso compounds (d) enantiomers with chiral carbon
Problem 169
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
Problem 170
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
Problem 172
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
Problem 175
Which one of the following does not have spª hybridized carbon? (a) acetone (b) acetic acid (c) acetonitrile (d) acetamide
Problem 176
Which of the following will have a meso isomer also? (a) 2 -chlorobutane (b) 2,3 -dichlorobutane (c) 2,3 -dichloropentane (d) 2 -hydroxypropanoic acid
Problem 178
For which of the following parameters of the structural isomers \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) and \(\mathrm{CH}_{3} \mathrm{OCH}_{3}\) would be expected to have the same values? (Assume ideal behaviour)[2004] (a) heat of vaporization (b) vapour pressure at the same temperature (c) boiling points (d) gaseous densities at the same temperature and pressure
Problem 179
Of the five isomeric hexanes, the isomer which can give two monochlorination compound is [2005] (a) n-hexane (b) 2,3 -dimethylbutane (c) 2,2 -dimethylbutane (d) 2 -methylpentane
Problem 183
Which one of the following conformations of cyclohexane is chiral? (a) rigid (b) chair (c) boat (d) twist boat
