Solubility of the alkaline earth's metal sulphates in
water decreases in the sequence :-

The total number of p-bond electrons in the following
structure is :-

Nitrogen dioxide and sulphur dioxide have some
properties in common. Which property is shown by
one of these compounds, but not by the other ?

Which one of the following electrolytes has the same
value of van't Hoff's factor (i) as that of the Al₂(SO₄)₃

(If all are 100% ionised)

A given metal crystallizes out with a cubic structure
having edge length of 361 pm. If there are four
metal atoms in one unit cell, what is the radius of
one atom?

Magnetic moment 2.84 B.M. is given by :-

(At. nos, Ni = 28, Ti = 22, Cr = 24, Co = 27)