Question

Temperature maintained in batch hydrogenators is _______

(a) above 200°C

(b) below 200°C

(c) 120-160°C

(d) 180°C

This question was addressed to me in an interview for internship.

This is a very interesting question from Natural Products in division Natural Products of Chemical Technology

Answer 1

The correct answer is (b) below 200°C

Best explanation: Temperature is maintained below 200°C in batch hydrogenators to avoid unnecessary side reactions like pyrolysis reactions and to prevent sintering of porous catalyst.