GATE CY 2012 Question Paper (12-Feb-2012) (Shift-2)

In the proton decoupled ${}^{13}C$ NMR spectrum of 7-norbornanone, the number of signals obtained is

Identify the most probable product in the given reaction

In the cyclization reaction given below, the most probable product formed is

If $\Delta y$ and $\Delta p_y$ are the uncertainties in the y-coordinate and the y component of the momentum of a particle respectively, then, according to uncertainty principle $\Delta y\Delta p_y$ is ($\hslash =\frac{h}{2\pi }$ and $h$ is Planck's constant)

The average length of a typical $\alpha$ -helix comprised of 10 amino acids is