Inorganic Chemistry MCQ with Answers

Inorganic Chemistry MCQ with Answers

246) A salt gives violet vapours when treated with conc. H₂SO₄. It contains:

Answer is:

I⁻

Explanation:

Iodine vapours are violet.

247) Which compound is soluble in NH₄OH?

Answer is:

AgCl

248) Ozone when reacts with potassium iodide solution liberates certain product, which turns starch paper blue. The liberated substance is:

Answer is:

Iodine

Explanation:

Ozone reacts with KI solution to liberate iodine gas.

249) When KBr is treated with conc. H₂SO₄, a reddish brown gas is evolved. The evolved gas is:

Answer is:

Bromine

250) A solution of a salt in dilute sulphuric acid imparts deep blue colour with starch iodine solution. It confirms the presence of:

Answer is:

NO₂⁻