Assertion (A) Neoprene can be further hardened by heating with the sulphur. Reason (R) It contains allylic double bond which help in introducing sulphur bridges between different polymer chains.

• A. If both Assertion and Reason are true and Reason is 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 and false