What is H₂SO₂ ?

Nitric acid (III)
Nitrogen (V)
Sulfuric
Sulfoxylic acid
Sulfoxylic acid (H2SO2) (also known as hyposulfurous acid or sulfur dihydroxide)) is an unstable oxoacid of sulfur in an intermediate oxidation state between hydrogen sulfide and dithionous acid. It consists of two hydroxy groups attached to a sulfur atom.
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Answers by country

Nitric acid (III)
Nitrogen (V)
Sulfuric
Sulfoxylic acid
answers
flagIndia
2%
1%
19%
75%
211
flagPakistan
4%
4%
20%
72%
25
flagNigeria
10%
5%
30%
55%
20
flagthe United States
10%
15%
22%
51%
79
flagAustralia
25%
14%
10%
50%
28
flagGermany
8%
7%
44%
39%
115
flagPoland
4%
4%
53%
36%
2161
flagthe United Kingdom
10%
7%
47%
35%
40
flagGreece
8%
8%
50%
33%
12
flagAustria
6%
6%
62%
25%
16