JEE MAIN - Chemistry (2024 - 6th April Morning Shift - No. 8)
Match List I with List II
| LIST I (Precipitating reagent and conditions) |
LIST II (Cation) |
||
|---|---|---|---|
| A. | $$ \mathrm{NH}_4 \mathrm{Cl}+\mathrm{NH}_4 \mathrm{OH} $$ |
I. | $$\mathrm{Mn^{2+}}$$ |
| B. | $$ \mathrm{NH}_4 \mathrm{OH}+\mathrm{Na}_2 \mathrm{CO}_3 $$ |
II. | $$\mathrm{Pb^{2+}}$$ |
| C. | $$ \mathrm{NH}_4 \mathrm{OH}+\mathrm{NH}_4 \mathrm{Cl}+\mathrm{H}_2 \mathrm{~S} \text { gas } $$ |
III. | $$\mathrm{Al^{3+}}$$ |
| D. | dilute $$\mathrm{HCl}$$ | IV. | $$\mathrm{Sr^{2+}}$$ |
Choose the correct answer from the options given below:
A-III, B-IV, C-I, D-II
A-III, B-IV, C-II, D-I
A-IV, B-III, C-II, D-I
A-IV, B-III, C-I, D-II
Explanation
$$\begin{array}{lll}
\mathrm{A} & \rightarrow \mathrm{Al}^{3+}(\mathrm{III}) \\
\mathrm{B} & \rightarrow \mathrm{Sr}^{2+}(\mathrm{IV}) \\
\mathrm{C} & \rightarrow \mathrm{Mn}^{2+}(\mathrm{I}) \\
\mathrm{D} & \rightarrow \mathrm{Pb}^{2+}(\mathrm{II})
\end{array}$$
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