Softest s-block metal is :-

Hardest s-block metal is-

The oxidation number of the d-block metal in Zeises salt is

(A) d block elements are transitioned between s-block metals and p-block metals. (R) d block elements are more-electropositive than s-block elements.

On allowing ammonia solution of s-block metals to stand for a long time, blue colour becomes fade. The reason is:-

On allowing ammonia solution of s-block metals to stand for a long time, blue colour becomes fade. The reason is:-

Which of the following is correct for d-block metals ?