1.

Assertion: In the E2 elimination, beta-H and leaving group should be antiperiplanar. Reason: In the E2 elimination, base always abstracts unhindered beta-H.

Answer»

If both assertionn and REASON are true, and reason is the true EXPLANATION of the ASSERTION.
If both assertion and reason are true, but reason is not the true explanation of the assertion.
If assertion is true, but reason is false.
If both assertion and Reason are false.

Solution :CORRECT reason. In `E_(2)` elimination reaction, base preferentially abstracts that `beta-H` which gives the more STABLE product.


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