A compound which releases a reddish brown gas on reaction with concentrated sulphuric acid & copper turnings?

Ferrous sulphate

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Ammonium sulphate

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Copper nitrate

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Lead carbonate

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Solution

The correct option is C Copper nitrate
Copper nitrate is the compound which releases a reddish brown gas on reaction with concentrated sulphuric acid & copper turnings.

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Similar questions

Q. Identify the anion present in the following compounds:
Compound

X

on heating with copper turnings and concentrated sulphuric acid liberates a reddish brown gas.

Q. (d) Match the following:

	Column A	Column B
(i)	A substance that turns moist starch iodide paper blue.	Ferrous sulphate
(ii)	A compound which releases a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings.	Chlorine
(iii)	A solution of this compound gives a dirty green precipitate with sodium hydroxide.	Copper nitrate
(iv)	A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride.	Lead carbonate
(v)	A white solid which gives a yellow residue on heating.	Ammonium sulphate

Q. Match the following:

	Column A	Column B
1.	A substance that turns moist starch iodide paper blue.	A. Ammonium sulphate
2.	A compound which releases a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings.	B. Lead carbonate
3.	A solution of this compound gives a dirty green precipitate with sodium hydroxide.	C. Chlorine
4.	A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride.	D. Copper nitrate
5.	A white solid which gives a yellow residue on heating.	E. Ferrous sulphate.

X, Y and Z are three crystalline solids which are soluble in water and have a common anion.

The action of heat on Y produces a reddish brown gas and a yellow residue which fuses with the glass of the test tube A reddish-brown gas is obtained when Y is warmed with concentrated sulphuric acid and copper turnings added to mixture.

Action of heat on Y.

Which of the following gas is released during the reaction of aluminium with hot and concentrated sulphuric acid?

A compound which releases a reddish brown gas on reaction with concentrated sulphuric acid & copper turnings?

The correct option is C Copper nitrateCopper nitrate is the compound which releases a reddish brown gas on reaction with concentrated sulphuric acid & copper turnings.

The correct option is C Copper nitrate
Copper nitrate is the compound which releases a reddish brown gas on reaction with concentrated sulphuric acid & copper turnings.