Meso tartaric acid is optically inactive due to:
Two asymmetric carbon atoms
External compensation
Molecular symmetry
Molecular asymmetry
Maleic acid and fumaric acid are:
Position isomers
Functional isomers
Geometrical isomers
Metamers
Molecular formula C4H9NH2 shows how many isomers of primary amines?
2
3
4
5
Which is the correct order of priority of groups attached to the chiral carbon in the compound given below while assigning R or S configuration?
CHO
(
H(C(OH
(
CH2OH
OH>CHO>CH2OH> H
H>CH2OH>CHO> OH
CHO>OH> CH2OH> H
CH2OH> CHO> OH> H
In presence of AICI3/HCI, n-butane changes to another nuclear isomer that can be:
isobutane
isobutene
1-butene
2-butene
How many asymmetric carbon atoms are present in:
(i) 1,2-dimethylcyclohexane
(ii) 3-methylcyclopentene and
(iii) 3-methylcyclohenxene?
Two, one, one
One, one, one,
Two, none, two
Two, none, one
Type of isomerism by the product of the reaction between benzaldehyde and hydroxyl amine is:
Syn and anti geometrical
Cis and trans geometrical
E and Z geometrical
None is correct
Geometrical isomerism is possible in:
Acetone-oxine
Isobutene
Acetophenone-oxime
Benzophenone-oxime
The number of eneatiomers of the compound CH3CHBrCHBrCOOH is:
2
3
4
6
Consider following statements
I: A compound and its enantiomer can be distinguished by their effects on polarized light
II: Enantiomers are not superimposable
III: Dissymmetry is the necessary and sufficient condition for the existence of enationmers. Select correct statement(s):
I, II
I, III
II, III
I, II, III
Select correct statements(s):
Optical isomers are also called enatiomers.
Molecules that are not superimposable on their mirror images are dissymmetric
Both are correct
None of the above is correct
Cis-3-hexene is:
Z-3-hexene
E-3-hexene
Both are correct
None of the two is correct
Chain isomer of cyclobutane is:
CH3CH2CH=CH2
CH3CH=CHCH3
( CH3
CH3C=CH2
(
CH3
In presence of AICI3/HCI, n-butane changes to another nuclear isomer that can be:.
isobutane
isobutene
1-butene
2-butene
Number of esters of the molecular formula C3H6O2 can
4
3
2
1