Question

learning: molecular compounds - acids (binary & oxyacids)
question
what is the formula for sulfurous acid?
answer
h₂so₄
h₂s
h₂so₃
hso₃
i dont know yet

Explanation:

Step1: Recall sulfurous acid structure

Sulfurous acid is an oxy - acid of sulfur. It contains sulfur (S), oxygen (O), and hydrogen (H).

Step2: Determine the formula

The formula for sulfurous acid is $H_2SO_3$. Here, the sulfur atom is in the + 4 oxidation state and is bonded to two - OH groups.

Answer:

C. $H_2SO_3$