Haloacids

Q. $HF$ is liquid at room temperature and $HCl$ is as gas at room temperature because H-bonding is present in $HF$.

1. False
2. True

Q.

Which of the following hydracids is the strongest acid?

1. HCl

2. HF

3. HBr

4. HI

Q. HF is weak acid in comparison to HBr, HCl and HI due to

1. Weak van der Waals force
2. Hydrogen bonding
3. Back bonding
4. High electronegativity of ‘F’