MCQ
What should be the weight and moles of $AgCl$ precipitate obtained on adding $500\,ml$ of $0.20\, M$ $HCl$ in $30\, g$ of $AgN{O_3}$ solution? ($AgN{O_3}= 170$)
- ✓$14.35 \,g$
- B$15\, g$
- C$18\, g$
- D$19\, g$
$\frac{{30}}{{170}}$ $\frac{{500 \times 0.2}}{{1000}}$
$t =0$ $0.176$ mole $0.1$ mole limiting $=14.345\,gm$
$t =t$ $0.076$ mole $0$ $0.1$ mole
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|
List-$I$ Reaction |
List-$II$ Type of redox reaction |
| $(A)$ $\mathrm{N}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{NO}_{(\mathrm{g})}$ | $(I)$ Decomposition |
| $(B)$ $\begin{aligned} & 2 \mathrm{~Pb}\left(\mathrm{NO}_3\right)_{2(\mathrm{~s})} \rightarrow 2 \mathrm{PbO}_{(\mathrm{s})}+4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}\end{aligned}$ | $(II)$ Displacement |
| $(C)$ $\begin{aligned} 2 \mathrm{Na}_{(\mathrm{s})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})} \rightarrow 2 \mathrm{NaOH}_{(\mathrm{aq} .)}+\mathrm{H}_{2(\mathrm{~g})}\end{aligned}$ | $(III)$ Disproportionation |
| $(D)$ $\begin{aligned} 2 \mathrm{NO}_{2(\mathrm{~g})}+2-\mathrm{OH}_{(\mathrm{aq})} \rightarrow \mathrm{NO}_{2(\mathrm{aq} .)}^{-}+\mathrm{NO}_{3(\mathrm{qq} .)}^{-}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}\end{aligned}$ | $(IV)$ Combination |
Choose the correct answer from the options given below:
| Column $I$ (Mixture of compounds) | Column $II$ (Separation Technique) |
| $A$ $H _2 O / CH _2 Cl _2$ | $I$ Crystallization |
| $B$ $Image$ | $II$ Differential solvent extraction |
| $C$ Kerosene/Naphthalene | $III$ Column chromatography |
| $D$ $C _6 H _{12} O _6 / NaCl$ | $IV$ Fractional Distillation |
Correct match is : 