Medium
When iron sulfide is heated in air,a sulfur oxide $A$ is obtained. When $A$ is dissolved in water,it produces an acid. What is the basicity of this acid?
- A$2$
- B$3$
- C$1$
- D$0$
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Similar Questions
If lattice enthalpy and hydration enthalpy of $KCl$ are $699 \ kJ \ mol^{-1}$ and $-681.8 \ kJ \ mol^{-1}$ respectively,what is the enthalpy of solution of $KCl$?
When water is added to quick lime,the reaction is
Easy
View SolutionIn potash alum, the ratio of $K^+$ and $SO_4^{2-}$ ions is
MediumNEET 2026
View SolutionMatch the following:
Column-$I$
Column-$II$
$A$. $5.6 \ L$ of $SO_{2(g)}$ at $STP$
$I$. $32 \ g$
$B$. $1.2 \times 10^{24}$ atoms of oxygen
$II$. $66 \ g$
$C$. $33.6 \ L$ of $CO_{2(g)}$ at $STP$
$III$. $42 \ g$
$D$. $1.5 \ g$-molecule of $N_2$
$IV$. $16 \ g$
The correct match is:
| Column-$I$ | Column-$II$ |
|---|---|
| $A$. $5.6 \ L$ of $SO_{2(g)}$ at $STP$ | $I$. $32 \ g$ |
| $B$. $1.2 \times 10^{24}$ atoms of oxygen | $II$. $66 \ g$ |
| $C$. $33.6 \ L$ of $CO_{2(g)}$ at $STP$ | $III$. $42 \ g$ |
| $D$. $1.5 \ g$-molecule of $N_2$ | $IV$. $16 \ g$ |
The correct match is:
Medium
View SolutionAir contains $23\% \, O_2$ and $77\% \, N_2$ by weight. What is the percentage of $O_2$ by volume?
Medium
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