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Q.

Which of the following reacts with water to give ethane ?

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a

C2H5-O-C2H5

b

C2H5MgBr

c

C2H5OH

d

CH4

answer is B.

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Detailed Solution

  • Alkane is produced via the hydrolysis of Grignard's reagent (RMgX), where R is an aryl or alkyl group and X is a halide.
  • Ethane is produced by hydrolyzing C2H5MgBr, MgBr is replaced by a hydrogen atom from water, and MgBrOH is also created.

Hence the correct option is (B).

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