CameraIcon

SearchIcon

MyQuestionIcon

1

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

Optical Activity

2-Bromobutane...

Question

2-Bromobutane is optically active but 1-Bromobutane is optically inactive. Why?

Open in App

Solution

2-bromobutane is a chiral molecule as it contains an asymmetric carbon atom therefore, it is optically active whereas 1-bromobutane is an achiral molecule as it does not contain an asymmetric carbon atom therefore it is optically inactive.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Which optically active compound on reduction with

L i A l H_{4}

will give optically inactive compound?

Q. The hydrolysis of optically active 2-bromobutane with aqueous

N a O H

result in the formation of :

an optically active 2-chlorobutane reacts with NaI to give optically inactive product Why

Q. In the conversion of optically active

(R)

2

-chlorobutane to

(R)

2

-bromobutane, the following sequence of reactions is carried out.
Direct conversion is not feasible since

C l

cannot be replaced by

B r

in one step.
In which of the following steps does the inversion occur?

Q. Reaction of R-2-bromobutane with aqueous KOH follows two parallel reactions, one by

S_{N} 2

(complete inversion) and other by

S_{N} 1

(complete racemization). Specific optical activity for R-2-butanol is

- {13.50}^{\circ} / g m L

per dm length of the polarimeter.

If in a 10 cm tube polarimeter, 10 ml of R-2-bromobutane along with KOH is filled, then after complete reaction of R-2-bromobutane, the mass of all alcohols formed is found equal to 5 g of which 1 g is of R-2-butanol. Then, the total optical rotation (in degree) of the solution is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Optical Activity

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Optical Activity

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon