Which of the following is the strongest Bronsted-Lowry acid?

Question

a) H2F+b) ethanoic acidc) H3O+d) H2SO4

Also if you can help with these too:

9. In the lowest energy chair conformation of trans-1,4-dimethylcyclohexane, how many axial positions are occupied by hydrogen atoms?

a) 2 b) 3 c) 4 d) 5 e) 6


10.Which of the following is the weakest Bronsted-Lowry base?

a) ClCH2CO2-b) CH3CO2-c) CH3CH2O-d) HO-e) H2N-

Answer 1

H3O+ is the stongest B-L acid, and the chloroethanoic acid anion the weakest base.

As for the chair question, I would say 4.

Answer 2

The correct answer is H2F+ because F is more electronegative than the O