Which of the sets of reagents below should be used toeffect the follow

1.	Which of the sets of reagents below should be used toeffect the following transformation ?
Answer» `CH_(3)CH_(2)Br,PPh_(3)//C_(4)H_(9)Li//THF//-78^(@)C.` `1)CH_(3)CH_(2)MgBr//Et_(2)O,2)H_(2)//SO_(4)//Delta` `HC-=Can//THF//-78^(@)C,2)H_(2)//Pd-CBaSO_(4)//`quinoline `Br_(2)//CH_(3)CO_(2)H,2)Mg//Et_(2)O,3)CH_(3)CHO,4)H_(2)SO_(4)//Delta` Solution :Witting 's REACTION`CH_(3)CH_(2)BR+Ph_(3)Poverset(BuLi)to CH_(3)CH=PPh_(3)`

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