JEE Main201910 Jan 2019Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual
Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:
Options
- ASodamide
- BSodium-ammonia complex
- CSodium ion-ammonia complex
- DAmmoniated electrons
Correct answer
D. Ammoniated electrons
Step-by-step solution
Na + x + y NH 3 → [ ( Na ( NH 3 ) x ) ] + + [ ( e ( NH 3 ) y ) ] − Blue colour is due to the ammoniated electrons.