Which of the below-given statement is true about hard acids and bases:
a) Hard acids are non-polarizable.
b) Water, SO3, and pyridine are lewis bases.
c) According to the concept of a solvent system for acids and bases, ammonium chloride behaves as a base in liquid ammonia.
d) According to the principle of SHAB, hard acids prefer to make bonds or coordinate with a soft base.
1
Only a
2
Only b
3
Only c
4
Only d