Chemistry - Complete Pblock- Question with Solution | TestHub
List - I (Substances) | List - II (Can be prepared by) |
|---|---|
(P) Ozone | (1) Acidification of in cold aqueous medium |
(Q) Bleaching powder | (2) Ostwald process using Pt/Rh catalyst |
(R) Hydrogen peroxide | (3) Dry is passed through a silent electrical discharge |
(S) Aqua fortis | (4) Reaction of lime (moist) with chlorine in cold |
Options:
Answer:
Solution:
Ozone (P): Formed by passing dry oxygen through a silent electrical discharge to prevent decomposition ().
Bleaching powder (Q): Produced by the reaction of moist slaked lime with chlorine gas in the cold ().
Hydrogen peroxide (R): Prepared by the acidification of sodium peroxide () in a cold aqueous medium ().
Aqua fortis (S): Another name for Nitric acid (), which is industrially manufactured via the Ostwald process ().
Correct Option: (A)