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Identity A, B, C, D, E, R and R' in the following: |
Answer» Solution : `R-Br+Mg overset("DRY ETHER")to underset((C))(RMgBr) overset(D_(2)O)to CH_(3)underset(D)underset(|)CHCH_(3)` Since D geta attached to mame C-atom on which MgBr or Br was PRESENT so that `R-Br: CH_(3)overset(Br)overset(|)CHCH_(3)` or `R : CH_(3)-overset(H)overset(|)CH-CH_(3)` and `C : CH_(3)-underset(CH_(3))underset(|)CH-MgBr` Tert-alkyl halidea donot undergo Wurtz reaction. Therefore, the QUESTION is not correct. They undergo dehydrohalogenation to give alienes. Hence, `R.=(CH_(3))_(3)CH` `CH_(3)-overset(CH_(3))overset(|)C=CH_(3) underset(-HBr)overset(NA, "ether")larr underset(underset((R.Br))("tert-butylbromide"))(CH_(3)-underset(CH_(3))underset(|) overset(CH_(3))overset(|)C-Br) overset(Mg)to underset((D))(CH_(3)-underset(CH_(3))underset(|) overset(CH_(3))overset(|)C-MgBr) overset(H_(2)O)to underset("2-Methylpropane")(CH_(3)-underset(CH_(3))underset(|) overset(CH_(3))overset(|)C-H)` |
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