Chemistry
Choose the conversion reaction which is exothermic & takes place by supply of catalytic energy.
- Hydrogen to HCl
- Ammonia to nitric acid
- Nitrogen to nitric oxide
- Oxygen to ozone.
Related Questions
Give a balanced equation for a direct combination reaction involving :
(a) Two elements — one of which is a neutral gas and the other a yellow non-metal
(b) Two elements – one of which is a neutral gas and the other a monovalent metal
(c) Two compounds – resulting in formation of a weak acid
Match the conversion in Column A with correct type of chemical change or reaction .
Column A Column B (a) A trivalent metal — to its metal nitride i) Displacement (b) Hydrous CuSO4 — to anhydrous CuSO4 ii) Direct combination (c) Iron to iron chloride — using dilute acid iii) Precipitation (d) Sodium hydroxide to sodium chloride — using a dilute acid iv) Decomposition (e) Iron [III] chloride to iron [III] hydroxide v) Neutralization