Assertion In the E2 elimination, β -H and leaving group should be antiperiplanar. Reason In the E2 elimination, base always abstracts hindered β -H.

Question

Assertion In the E2 elimination, β -H and leaving group should be antiperiplanar. Reason In the E2 elimination, base always abstracts hindered β -H.  (A) If both Assertion and Reason are true and Reason is the correct explanation of Assertion. (B) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion. (C) If Assertion is true but Reason is false. (D) If both Assertion and Reason are false.

Tardigrade Admin · Accepted Answer

In E2 elimination, β -H and leaving group are in the same plane but anti-conformation. Base can abstract hindered β -H.

Q. Assertion In the E2 elimination, $β - H$ and leaving group should be antiperiplanar. Reason In the E2 elimination, base always abstracts hindered $β - H .$

If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

If Assertion is true but Reason is false.

If both Assertion and Reason are false.

In $E 2$ elimination, $β - H$ and leaving group are in the same plane but anti-conformation. Base can abstract hindered $β - H .$

Q. Assertion In the E2 elimination, β−H and leaving group should be antiperiplanar. Reason In the E2 elimination, base always abstracts hindered β−H.