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NEET UG CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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Analyzing +4 | -1

Mixture of chlorides of copper, cadmium, chromium iron and aluminium was dissolved in water acidified with

{HCl}

and

{H}_2{S}

gas was passed for a sufficient time. It was filtered boiled and a few drops of nitric acid were added while boiling. To this solution ammonium chloride and sodium hydroxide were added and filtered. The filtrate would give test for

View answer and explanation

Correct option: B

sodium and aluminium

Option B (sodium and aluminium) is correct because after the given treatment, only sodium and aluminium ions remain in the filtrate.

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