Find out the correct statement(s) about given reactions and products.
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The image shows a reaction sequence starting with an optically active alkyl halide (reactant A) undergoing substitution. Reaction-1 with NaCN likely proceeds via SN2, inverting stereochemistry to give an optically active nitrile. Reaction-2 with AgCN proceeds via SN1, forming a racemic mixture of nitriles. The final product mixture from reaction-2 is racemic and thus optically inactive. Reactant A is not regenerated. Mechanisms involved are SN2 and SN1.
Final Answer: The correct statements are "Racemisation takes place in reaction-2" and "Products mixture will be optically inactive."