Maximum bond angle at nitrogen is present in which
of the following ?

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?