The set that contains atomic numbers of only transition elements, is :

Which of the following compounds shows geometrical isomerism?

Arrange the following solutions in the decreasing order of pOH :

(A) 0.01 M HCl
(B) 0.01 M NaOH
(C) 0.01 M CH₃COONa
(D) 0.01 M NaCl

The species that has a spin-only magnetic moment of 5.9 BM, is :
(T_d = tetrahedral)