MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Polymerization Isomerism

An optically ...

Question

An optically active hydrocarbon(X) on catalytic hydrogenation gives an optically inactive compound (Y), C $_{6}$ H $_{14}$ . The hydrocarbon (X) is-

A

3-methyl-1-pentene

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

3-methyl-2-pentene

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

2-ethyl-1-butene

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

3-methylcyclopentene

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A 3-methyl-1-pentene
The optically active hydrocarbon X is 3-methyl-1-pentene $C H_{2} = C H - C H (C H_{3}) C H_{2} C H_{3}$ . On catalytic hydrogenation, it forms, 3-methyl pentane $C H_{3} C H_{2} C H (C H_{3}) C H_{2} C H_{3}$ , which is optically inactive.

Suggest Corrections

thumbs-up

0

Similar questions

Q. An optically active hydrocarbon X has molecular formula

C_{6} H_{12}

, X on catalytic hydrogenation given optically inactive

C_{6} H_{14}

Q. A hydrocarbon X is optically active. X upon hydrogenation gives an optically inactive alkane Y. Which of the following pair of compounds can be X and Y respectively?

Q. An optically active alkene (I) with lowest molecular mass on hydrogenation gives optically inactive alkane, but on insertion of methylene carbene

(: C H_{2})

in (I), it gives optically active compound (II). The compounds (I) and (II) are:

Q. Catalytic hydrogenation of cis-2, 3-diphenyl-2-butene gives 2, 3-diphenylbutane (optically inactive, meso). If true enter 1 else 0.

Q. The alkane formed by hydrogenation of a pure enantiomers of 4-methyl-1-hexyne is optically active, but the one formed by hydrogenation of a
pure enantiomers of 3-methyl-1-pentyne is not.Explain Would you expect the products of hydrogenation of these two compounds in the presence of Lindlar palladium to be optically active?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Polymerization Isomerism

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Polymerization Isomerism

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon