The complex(es) which is/are blue in colour:

(A) Starch gives blue colour with iodine. (R) Starch form complex with iodine, which is blue in colour.

Identify the complexes which are expected to be coloured

The alkali metals dissolve in liquid ammonia to give solutions which are blue in colour if dilute. The blue colour is believed to be due to______.

Identify complexes which are expected to be coloured -

Which of the following complex(s) will have blue colour solution or ppt ?