Question

What are the boiling and melting points of Ammonia respectively?

(a) -33.4 Celsius & -77.7 Celsius

(b) -77.7 Celsius & -33.4 Celsius

(c) -10.6 Celsius & -20.3 Celsius

(d) None of the mentioned

The question was posed to me during an interview for a job.

My enquiry is from Inorganic Chemical in section Inorganic Chemical Industries of Chemical Technology

Answer 1

Right option is (a) -33.4 Celsius & -77.7 Celsius

To explain: The boiling point of Ammonia is -33.4 Celsius and the melting point of Ammonia is -77.7 Celsius.