GATE CY 2021 Question Paper (06-Feb-2021) (Shift 1)

The reagent(s) required for the conversion of hex-3-yne to (E)-hex-3-ene is/are:

An organic compound exhibits the [M]⁺, [M+2]⁺ and [M+4]⁺ peaks in the intensity ratio 1: 2: 1 in the mass spectrum, and shows a singlet at δ 7.49 in the ¹H NMR spectrum in CDCl₃ . The compound is:

Reaction of LiAlH₄ with one equivalent of Me₃N∙HCl gives a tetrahedral compound, which reacts with another equivalent of Me₃N∙HCl to give compound N. The compound N and its geometry, respectively, are:

Which one of the following is a non-heme protein?

A correct example of a nucleotide is: