Hydrogen Sample Questions for Class 11
Question 1
What makes hydrogen bonding between water molecules, ammonia molecules, or molecule of hydrogen fluoride so strong?
A. There is an attraction between a small, weakly electronegative hydrogen atom and a large, strongly electronegative atom of fluorine, nitrogen, or oxygen.
B. There is an attraction between a small, highly electronegative hydrogen atom and a large, highly electronegative fluorine atom.
C. There is an attraction between the hydrogen and oxygen atoms, only.
D. There is an attraction between the hydrogen and nitrogen atoms, only.
Question 2
In which of the solvents below would hydrogen chloride dissociate nearly to completion?
A. Water
B. Glacial acetic acid
C. Ethylene diamine
D. Aniline
Question 3
Which of the following represents the scientific name for water?
A. hydrogen dioxide
B. dihydrogen dioxide
C. hydrogen monoxide
D. dihydrogen monoxide
Question 4
Which of the following can form hydrogen bonds with water?
A. s orbital
B. p orbital
C. d orbital
D. f orbital