The number of possible isomers of the aromatic compound with molecular formula C7H8O are :
1. 3
2. 5
3. 7
4. 9
Which of the following will not show cis-trans-isomerism?
1. CH3-CH=CH-CH3
2. CH3-CH2-CH=CH-CH2-CH3
3.
4.
An alkane can form Structural isomers if the number of carbon atoms is-
1. 1
2. 2
3. 3
4. 4
Isomerism exhibited by acetic acid and methyl formate is:
1. Functional
2. Chain
3. Geometrical
4. Central
Which one of the following pairs represents stereoisomerism?
1. Chain isomerism and rotational isomerism
2. Structural isomerism and geometrical isomerism
3. Linkage isomerism and geometrical isomerism
4. Optical isomerism and geometrical isomerism
A racemic mixture is formed by mixing two:
1. Isomeric compounds
2. Chiral compounds
3. Meso compounds
4. Enantiomers
A compound of molecular formula C7H16 shows optical isomerism, the compound will be
1. 2,3-dimethyl pentane
2. 2,2-dimethyl butane
3. 2-methyl hexane
4. None of the above
Which of the following has an asymmetric carbon atom?
1.
2.
3.
4.
Stereoisomers (geometrical or optical) that are neither superimposable nor a mirror images to each other are called:
1. Enantiomers
2. Monomers
3. Tautomers
4. Diastereomers
Which of the following pairs of carbon skeletons is an example of isomerism?
1.
2.
3.
4.