MCQ
$HSO_4^ - $ is the conjugate base of
- A${H^ + }$
- B${H_2}S{O_3}$
- C$SO_4^{2 - }$
- ✓${H_2}S{O_4}$
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$(A)$ $H _2 O _2$ in presence of $NaOH$
$(B)$ $Na _2 O _2$ in water
$(C)$ $H _2 O _2$ in presence of $H _2 SO _4$
$(D)$ $Na _2 O _2$ in presence of $H _2 SO _4$