Question

Which of the following statements is correct ?
(Atomic number of Ni = 28)
(a) Ni(CO)₄ is diamagnetic and [NiCl₄]²⁻ and
[Ni(CN)4]²⁻ are paramagnetic.
(b) Ni(CO)₄and [Ni(CN)₄]²⁻ are diamagnetic
and [NiCl₄]²⁻ is paramagnetic.
(c) Ni(CO)₄and [NiCl₄]²⁻are diamagnetic and
[Ni(CN)₄]²⁻ is paramagnetic.
(d) [NiCl₄]²⁻ and [Ni(CN)₄]²⁻ are diamagnetic
and Ni(CO)₄ is paramagnetic.

Answer 1

Explanation:

(B) Ni(CO) 4 and [Ni(CN) 4]2- are diamagnetic and [NiCl4] 2- is paramagnetic