S & P Block Elementsp-Block Elements876Choose the best answerAn element belongs to the p-block when its differentiating electron enters:Ans orbitalBnp orbitalC(n−1)d orbitalD(n−2)f orbital Like 0 Discuss 0Share
S & P Block ElementsGroup 2 Reactions with Water877Choose the best answerWhich statement concerning magnesium and water is correct?AMg reacts vigorously with cold water.BMg reacts only very slowly with cold water.CMg produces Mg₂O on reaction with water.DMg liberates chlorine from cold water. Like 0 Discuss 0Share
Chemistry of HydrocarbonsOzonolysis and Structure Determination878Choose the best answerOzonolysis of an alkene is particularly useful for:APreparing alkanesBDetermining the position of a C=C bondCPreparing alcohols onlyDPreparing alkyl halides Like 1 Discuss 0Share
Aldehydes and KetonesCannizzaro Reaction879Choose the best answerWhich compound undergoes the Cannizzaro reaction most readily among the following?AEthanalBPropanalCBenzaldehydeDButanal Like 0 Discuss 0Share
Alkyl HalidesFactors Favoring E2 Elimination880Choose the best answerWhich condition favors E2 elimination?ATertiary alkyl halide with water at low temperatureBPrimary alkyl halide with aqueous AgNO₃CAlkyl halide with alcoholic KOH and heatDTertiary alkyl halide with methanol under mild conditions Like 0 Discuss 0Share