Question

How many carbon atoms in the molecule HOOC—(CHOH)2—COOH are asymmetric?

Solution

Correct option is

2

A carbon atom which is attached by four different group is called an asymmetric carbon atom or chiral centre. HOOC(CHOH)2COOH has two  asymmetric carbon atom.

                                                   

SIMILAR QUESTIONS

Q1

The functional groups —OH, —COOH, —CHO, —OCH3 attached to a chiral carbon is in the preference order

Q2

Which of the following statements is/are incorrect for D-(+)-glyceraldehyde?

Q3

The specific rotation of a pure enantiomer is + 16o. Its observed rotation if it is isolated from a reaction with 25% recemisation and 75% retention is

Q4

An enantiomerically pure acid is treated with racemic mixture of an alcohol having one chiral carbon. The ester formed will be

Q5

During the debromination of meso-dibromobutane, the major compound formed will be

Q6

At room temperature the eclipsed and the staggered forms of ethane cannot be isolated because

Q7

The most unstable configuration of cyclohexane is

Q8

The type of isomerism shown by 6, 6-disitrodiphenic acid is

Q9

Meso-tartaric acid is optically inactive due to the presence of

Q10

Racemic modification can be resolved by