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Which of the following statements is/are...

Which of the following statements is/are correct?

A

An aqueous solution of `Co(II)` thiocyanate `(10%` freshly prepared) and mercuric nitrate solution taken in equal volumes on strring the wall of the vessel with a glass rod produce deep-blue precipitate.

B

White precipitate of `AI(OH)_(3)` is soluble in sodium hydroxide as well as in ammonia solution.

C

Green precipitate of `Cr(OH)_(3)` readily dissolves in excess of sodium hydroxide forming a green solution.

D

Chromium (III) salt give green coloured borax bead in both oxiding and reducing flame.

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
(b) `AI(OH)_(3)` is insoluble in ammonia solution.
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