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GS
GS Set-1
Chemistry
Organic Chemistry
25

Organic Chemistry MCQ with Answers

25) The isomerism observed in alkanes is:

Metamerism

Chain isomerism

Position isomerism

Geometrical isomerism

Answer is:

Chain isomerism

Explanation:

Alkanes are saturated hydrocarbons without any functional group, hence can show chain isomerism only.

Organic Chemistry MCQ with Answers

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Related Organic Chemistry MCQ with Answers

26) Number of isomeric forms of C₇H₉N having benzene ring will be:

7

6

5

4

Answer is:

5

27) How many chain isomers can be obtained from the alkane C₆H₁₄?

4

5

6

7

Answer is:

5

28) Which of the following is an example of position isomerism?

Iso−pentane and neo−pentane

Glucose and fructose

Ethanol and dimethyl ether

α−Naphthol and β−Naphthol

Answer is:

α−Naphthol and β−Naphthol

29) The enolic form of acetone contains:

9 sigma bonds, 1 pi bond and 2 lone pairs

8 sigma bonds, 2 pi bonds and 2 lone pairs

10 sigma bonds, 1 pi bond and 1 lone pair

9 sigma bonds, 2 pi bonds and 1 lone pair

Answer is:

9 sigma bonds, 1 pi bond and 2 lone pairs

Organic Chemistry MCQ with Answers

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