SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which molecule exhibits optical isomerism?
A
3-iodopentane
B
2-iodo-2-methylpropane
C
1, 3-diiodopropane
D
2-iodobutane
Explanation: 

Detailed explanation-1: -Therefore there is one stereogenic carbon in the molecule and exhibits optical isomerism and they possess non-superimposable mirror image. Therefore, only 2-bromobutane exhibits optical isomerism.

Detailed explanation-2: -[Co(en)3]3+ is optically active and will give rise to optical isomers.

Detailed explanation-3: -It is a complex of [M(AA)2B2] type and shows optical isomerism. It’s cis form can be resolved into two optically active isomers, since it has no plane of symmetry. The trans isomer has a plane of symmetry hence shows no optical active form.

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