CameraIcon

SearchIcon

MyQuestionIcon

1

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

Chiral Centres and Chirality

Assertion: La...

Question

Assertion: Lactic acid is an optically active compound.
Reason: It contains a chiral centre with a plane of symmetry.

A

Both Assertion and Reason are true and Reason is correct explanation of Assertion

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

B

Both Assertion and Reason are true and Reason is not correct explanation of Assertion

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

C

Assertion is true but Reason is false

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

D

Assertion is false but Reason is true

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

Open in App

Solution

The correct option is D Assertion is true but Reason is false
Lactic acid is an optically active compound. It contains a chiral center without plane of symmetry. The C atom attached to four different atoms/ groups is chiral and is marked with asterisk.

Suggest Corrections

thumbs-up

0

Similar questions

Q. (i)
Assertion: A circle is not a rectilinear figure.
Reason: A figure formed by straight lines only is called a rectilinear figure.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.
(ii)
Assertion: All right angles are equal to one another.
Reason: A unique line passes through a single point.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.

Q. Assertion : Amount of cyanocobalamine required daily is 3 mcg
Reason : Its deficiency causes pernicious anaemia

Q. Assertion: Every parallelogram is a rectangle.
Reason: The angle bisectors of a parallelogram form a rectangle.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.

Q. Assertion: A cyclic parallelogram is a square.
Reason: Diameter is the largest chord in a circle.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.

Q. Assertion: 3 + 7 = 9 is a statement.
Reason: A sentence that can be judged to be true or false, but not both, is called a statement.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Chiral Centers and Chirality

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Chiral Centres and Chirality

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon