General Organic Chemistry Test

Result

General Organic Chemistry Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

The lowest molecular weight alkanes which are optically active are

A
2,3,3-Trimethylbutane

B
2-Methylhexane

C
2,3-Dimethylpentane

D
3-Methylhexane

Solution

Only 3-Methylhexane and 2,3-Dimethylpentane have chiral carbon.
Question 2
1 / -0

Fructose, on reduction gives a mixture of two alcohols which are

A
enantiomers

B
anomers

C
diastereomers

D
epimers

Solution

Fructose on reduction gives two alcohols. Both of them are diastereomers and epimers.
Question 3
1 / -0

Statement-1: Molecules that are not super imposable on their mirror images are chiral.

Statement-2: All molecules containing chiral center are optically active.

A
Both Statement-1 and Statement-2 are true and Statement-2 is the correct explanation of Statement-1.

B
Both Statement-1 and Statement-2 are true and Statement-2 is not the correct explanation of Statement-1.

C
Statement-1 is true but Statement-2 is false.

D
Statement-1 is false but Statement-2 is true.

Solution

Correct Reason: crystal or molecule that can't be superimposed on its mirror image will be optically active.