Which of the following statements is not correct regarding acids and bases ?
1
Both \(\rm HCO_3^-\) and H2O can behave as a Bronsted acid and a Bronsted base.
2
All Bronsted bases are also Lewis bases but all Bronsted acids are not Lewis acids.
3
NH3 behaves as a Lewis base while BF3 behaves as a Lewis acids.
4
The conjugate base of a strong acid is also strong base.
5
Not Attempted