NTA Abhyas JEE Main2020Chemistrys Block ElementsPractice
The reaction of calcium cyanamide with water yields
Options
- AC a O H 2 and N 2
- BC a C 2 and N 2 H 4
- CC a H C O 3 2 and N H 3
- DC a C O 3 and N H 4 O H
Correct answer
D. C a C O 3 and N H 4 O H
Step-by-step solution
It is good fertilizer and is prepared by heating C a C 2 and N 2 at 1370 K. C a C 2 + N 2 → C a C N 2 + C ⎵ Nitrolim C a C N 2 + 5 H 2 O → C a C O 3 + 2 N H 4 O H