Chemistry
Select the letters A, B, C, D or E, which form the gaseous products of the reactions from 1 to 5.
A: Nitrogen dioxide only
B: Nitric oxide only
C: Hydrogen
D: Nitrogen dioxide and oxygen
E: Nitrogen dioxide and carbon dioxide.
- Reaction of manganese with cold, very dil. nitric acid.
- Reaction of sulphur with conc. nitric acid.
- Reaction of zinc with dil. nitric acid.
- Reaction of carbon with conc. nitric acid.
- Heat on nitric acid.
Answer
- Reaction of manganese with cold, very dil. nitric acid — (C) Hydrogen
- Reaction of sulphur with conc. nitric acid — (A) Nitrogen dioxide only
- Reaction of zinc with dil. nitric acid — (B) Nitric oxide only
- Reaction of carbon with conc. nitric acid — (E) Nitrogen dioxide and carbon dioxide.
- Heat on nitric acid — (D) Nitrogen dioxide and oxygen.
Related Questions
Name the oxidised product when the following 1 to 5 react with nitric acid
- Sulphur [with conc. acid]
- Zinc [with dil. acid]
- Aqueous soln. of SO2 [with dil. acid]
- Acidified iron [II] sulphate [with dil. acid]
- Carbon [with conc. acid]
Select the correct word from the list in bracket to complete each statement.
- The oxidised product obtained on reaction of H2S gas with dil. HNO3 is ……………. [sulphur dioxide / sulphur / sulphuric acid].
- Aqua regia is a mixture of one part of …………… and three parts of …………… [conc. hydrochloric acid / conc. nitric acid] in which nitric acid …………… [reduces/oxidises] hydrochloric acid to chlorine.
- Pure conc. nitric acid or fuming nitric acid renders the metal …………… [zinc/copper/iron] passive or inactive.
- A mineral acid obtained from conc. nitric acid on reaction with a non-metal is …………… [hydrochloric acid / sulphuric acid / carbonic acid].
- The reaction of …………… [calcium carbonate / calcium oxide / calcium sulphite] with dilute nitric acid is an example of a neutralization reaction.
Give reasons for the following:
Nitric acid is not manufactured from atmospheric nitrogen.