Question

For high sensitivity or selectivity environmental sensors to sense the gaseous chemical like _________

(a) CO2

(b) NO3

(c) O2

(d) NO

This question was posed to me by my college director while I was bunking the class.

This intriguing question comes from Applications of Nano Materials topic in portion Nano Materials of Applied Chemistry

Answer 1

The correct option is (d) NO

Easy explanation: For high sensitivity or selectivity environmental sensors to sense the gaseous chemical like NO. The other gases are that are to be sensed is CO, NO, NO2 and O3 in high traffic environments are fabricated.