For the following questions answer them individually
The compounds P, Q and S
were separately subjected to nitration using $$HNO_3/H_2SO_4$$ mixture. The major product formed in each case respectively, is
Assuming that Hund's rule is violated, the bond order and magnetic nature of the diatomic molecule $$B_2$$ is
The total number of diprotic acids among the following is
Total number of geometrical isomers for the complex $$[RhCl(CO)(PPh_3)(NH_3)]$$ is
Among the following, the number of elements showing only one non-zero oxidation state is
O, Cl, F, N, P, Sn. Tl, Na, Ti
Silver (atomic weight = $$108 g mol^{-1}$$) has a density of 10.5 g $$cm^{-3}$$. The number of silver atoms on a surface of area $$10^{-12} m^2$$ can be expressed in scientific notation as $$y \times 10^x$$. The value of x is