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Identify the wrong statements...

Identify the wrong statements

A

`CH_3 - underset(underset(CH = CH_2)|) overset(overset(C_2 H_5)|)C - COOH` on decarboxylation with soda lime gives a racemic mixture

B

`CH_3 - underset(underset(CH= CH_2)(|))overset(overset(C_2 H_5)(|))C - H` gives a mixture of two diastereomers on treatment with HBr

C

`CH_3 - CH_2 - CH = CH_2 underset(hv)overset(NBS) (to) A underset(Delta) overset("Alc.KOH")(to)B`. B is Buta-1, 3-diene

D

Ethylene bromide can be converted to ethene by Na/ether, Zn/methanol or Mg/ether

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