GATE CY 2015 Question Paper (31-Jan-2015) (Shift 1)

The compound given below is a

Amongst the following, the compound that DOES NOT act as a diene in Diels-Alder reaction is

The following conversion is an example of

The mass spectrum of a dihalo compound shows peaks with relative intensities of 1:2:1 corresponding to M, M+2 and M+4 (M is the mass of the molecular ion), respectively. The compound is

Reaction of benzaldehyde and p-methylbenzaldehyde under McMurry coupling conditions ($TiC{l}_3$ and $LiAl{H}_4$) gives a mixture of alkenes. The number of alkenes formed is ________