1. Tardigrade
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  3. Chemistry
  4. An SN2 reaction at an asymmetric carbon of a compound always gives

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Q. An $ {{S}_{N}}2 $ reaction at an asymmetric carbon of a compound always gives

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Solution:

In $ {{S}_{N}}2 $ reactions, the nucleophile attaches itself from the direction opposite to that of the nucleophile already present in the second step, the previous nucleophile is removed and a single stereoisomer is obtained.