Chemistry
A blue crystalline solid 'X' on heating gave a reddish brown gas 'Y', a gas which relits a glowing splint and a residue which is black. Identify X and Y, and write the equation for the action of heat on X.
Nitric Acid
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Answer
X is Copper nitrate [Cu(NO3)2]
Y is Nitrogen dioxide gas (NO2)
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Related Questions
Correct the statement — Copper reacts with nitric acid to produce nitrogen dioxide.
Select the correct answer from A, B, C, D and E —
(A) Nitroso Iron [II] sulphate
(B) Iron [III] chloride
(C) Chromium sulphate
(D) Lead [II] chloride
(E) Sodium chloride.
The compound responsible for the brown ring in the brown ring test for identifying the nitrate ion.
Choose from the list of substances – Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, platinum. A catalyst used in the manufacture of nitric acid by Ostwald's process.
State your observation when —
Copper is heated with concentrated nitric acid in a hard glass test tube.