Sir plz check this ...i think d is correct pound 'x" is (a) ch,(ch,),br (c) ch,ch),ch(brch, 2007) grignard propane. (b)

U. An alkyl bromide X) reacts with sodium in ether to form4, 5-diethyloctane the compound 'X" is (a) CH,(CH,),Br (c) CH,CH),CH(BrCH, 2007) Grignard propane. (b) CH (CH,),Br C-C (d) CH CH,)-CH(Br)-CH,CH