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Questions  

Hydrogen bond may be formed between
 

a
Two hydrogen atoms
 
b
Hydrogen atom and electropositive atom
 
c
H-atom and electronegative atom with small size
 
d
H-atom and electronegative atom with larger size

detailed solution

Correct option is C

Hydrogen bonding occurs when H atom is linked to an electronegative atom like F, O or N. It is the force of attraction between small positive charge developed on H atom and small negative charge developed on electronegative atom due to displacement of electrons towards more electronegative atom.

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