The shape of  AsF₅ is -

1. Pentagonal bipyramidal.

2. Trigonal bipyramidal.

3. Distorted tetrahedral.

4. Square pyramidal.

H₂ molecule on the basis of valence bond theory is formed due to 

1. Attractive forces being more than the repulsive forces

2. Attractive forces being less than the repulsive forces

3. No force of attraction

4. Only repulsive force