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MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryAlkyl and Aryl HalidesSingle Choice Questions

CH CH Br on treatment with LiAlH4 gives ethane gas while (CH3)3C-Br on same treatment gives H2 gas because (OJEE 2009) (a) the former is SN2 and latter is E2 reaction

B.the former is E2 and latter is SN2 reaction
C.the former is SN1 and latter is E2 reaction
D.the former is E2 and latter is SN2 reaction
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