MCQ
The compound whose $0.1 \,M$ solution is basic is
- AAmmonium acetate
- BCalcium carbonate
- CAmmonium sulphate
- ✓Sodium acetate
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| List-I (Purification technique) | List-II (Mixture of organic compounds) | ||
| (A) | Distillation (simple) | (I) | Diesel + Petrol |
| (B) | Fractional distillation | (II) | Aniline + Water |
| (C) | Distillation under reduced pressure | (III) | Chloroform + Aniline |
| (D) | Steam distillation | (IV) | Glycerol + Spent-lye |
The correct order of their acidity is 
$Pt ( s )\left| H _2( s )( latm )\right| H ^{+}\left( aq ,\left[ H ^{+}\right]=1\right)|| Fe ^{3+}( aq ), Fe ^{2+}( aq ) \mid \operatorname{Pt}( s )$
Given : $E _{ Fe ^{3+} / e ^{2 *}}^0=0.771\,V$ and $E _{ H ^{+}+\frac{1}{2} H _2}^0=0 V , T =298\,K$
If the potential of the cell is $0.712\,V$ the ratio of concentration of $Fe ^{2+}$ to $Fe ^{2+}$ is $........$.(Nearest integer)