The chiral centre is absent in:
1. DCH2-CH2-CH2-Cl
2. CH3-CHD-CH2-Cl
3. CH3-CHCl-CH2D
4. CH3-CHOH-CH2-CH3
The chiral compound among the following is:
1. | 2-Methylpentanoic acid | 2. | Pentanoic acid |
3. | 4-Methyl pentanoic acid | 4. | None of the above |
2-Butene shows geometrical isomerism due to:
1. Restricted rotation about double bond
2. Free rotation about double bond
3. Free rotation about single bond
4. Chiral carbon
Geometrical isomers differ in:
1. Position of the functional group.
2. Position of atoms.
3. Spatial arrangement of atoms.
4. Length of the carbon chain.
Pairs of compounds among the following is a pair of enantiomers:
1. | |
2. | |
3. | |
4. |
The number of chiral carbons in β–D–(+)– glucose is:
1. Six
2. Three
3. Four
4. Five