The colour of the precipitate produced by adding $NaOH$ solution to $HgCl_2$ is
- AYellow
- BBlack
- CBrown
- DWhite
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$Fe$ (finely powdered) $+ HCl(dil.) \to P + Q\uparrow$. Compound $P$ does not precipitate with:
Medium
View Solution$A \xrightarrow{ K_4[Fe(CN)_6] } \text{Blue-white precipitate}$. Which ion is $A$?
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View SolutionFind the compound $A$ from the following reaction sequences:
$A$ $\xrightarrow{\text{aqua-regia}} B$ $\xrightarrow[(2) CH_3COOH]{(1) KNO_2 \mid NH_4OH} \text{yellow ppt}$
$A$ $\xrightarrow{\text{aqua-regia}} B$ $\xrightarrow[(2) CH_3COOH]{(1) KNO_2 \mid NH_4OH} \text{yellow ppt}$
Identify $A$,$B$ and $C$ in the given reaction sequence.
DifficultJEE MAIN 2025
View SolutionWhich of the following is not correctly matched?
Difficult
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