NTA Abhyas JEE Main2020Chemistryd and f Block ElementsPractice
Select the correct statement:
Options
- AP H 3 is reduces A g N O 3 to metallic Ag.
- BOrganic tissues turn A g N O 3 black by reducing it to A g .
- CA g C N is soluble in K C N .
- DAll are correct statements.
Correct answer
D. All are correct statements.
Step-by-step solution
( A ) A g N O 3 + P H 3 → A g ↓ H N O 3 + H 3 P O 3 B AgN O 3 → O r g a n i c t i s s u e p r o t i e n s Ag ↓ black C Ag + + 2 KCN → Ag CN 2 − + 2 K +