Arrange the acids

I) hydrogen selenate ion (HSeO−
4
),
pKa = 1.92;
II) phosphoric acid (H3PO4), pKa = 2.12;
III) selenous acid (H2SeO3), pKa = 2.46;
IV) phosphorous acid (H3PO3),
pKa1 = 2.00;
in increasing order of strengths.
1. I, III, II, IV
2. None of these
3. I, III, IV, II
4. II, IV, III, I
5. III, II, IV, I
6. IV, II, III, I
7. I, II, IV, III
8. Cannot be determined
9. I, IV, II, III
10. III, IV, II, I

1 answer

pKa goes from weak acid to strong acid as the number goes down; i.e., pKa 2 is a stronger acid than pKa 5 which in turn is stronger than a pKa of 9.
You can arrange them with that information.
Similar Questions
  1. Arrange the acidsI) hydrogen selenate ion (HSeO− 4 ), pKa = 1.92; II) phosphorous acid (H3PO3), pKa1 = 2.00; III) phosphoric
    1. answers icon 1 answer
  2. How many resonance structures do these following acids have?H2CO3-carbonic acid H3PO4-phosphoric acid H2SO4-sulfuric acid
    1. answers icon 1 answer
  3. What are the acids and bases of the following salts?Na3PO4 PbS KIO3 Do you meant on dissociation? phosphoric acid, sodium
    1. answers icon 0 answers
  4. The question asks,Consider the following weak acids and their Ka values Acetic acid Ka = 1.8x10^-5 Phosphoric acid Ka =
    1. answers icon 1 answer
more similar questions