1.

Substance having the lowest boiling point: (a) Hydrogen (b) Oxygen (c) Nitrogen (d) Helium

Answer»

Correct answer is (d) Helium

('He' is monoatomic and has low atomic mass)- It belongs to Nobel gases group(group-18) and they have very least inter-atomic attraction due to which their boiling points are very low.

Answer is (d) Helium

(He is monoatomic and has low atomic mass)



Discussion

No Comment Found

Related InterviewSolutions