(B) $HNO_3$ is a strong oxidizing agent. It oxidizes $Fe^{2+}$ ions to $Fe^{3+}$ ions. If $Fe^{2+}$ is not oxidized to $Fe^{3+}$,it will not be comple

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Convert ferrous ion into ferric ion

(B) $HNO_3$ is a strong oxidizing agent. It oxidizes $Fe^{2+}$ ions to $Fe^{3+}$ ions. If $Fe^{2+}$ is not oxidized to $Fe^{3+}$,it will not be completely precipitated as $Fe(OH)_3$ in the presence of $NH_4OH$ and $NH_4Cl$.

Class 12 Chemistry Principles Related to Practical Chemistry Wet Test for Basic Radical

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Conc. $HNO_3$ is added before proceeding to test for group $III$ members. This is to

A
Oxidise any remaining $H_2S$
B
Convert ferrous ion into ferric ion
C
Form nitrates which give granular ppts
D
Increase ionisation of ammonium hydroxide

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Principles Related to Practical Chemistry

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Wet Test for Basic Radical

$A$ mixture of two salts is not water-soluble but dissolves completely in dilute hydrochloric acid to form a colourless solution. The mixture could be

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The $V^{-}A$ group precipitate was dissolved in $HNO_3$ and treated with an excess of $NH_4OH$. It gives a white precipitate because of:

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$A$ salt on treatment with dil. $HCl$ gives a pungent smelling gas and a yellow precipitate. The salt gives a green flame when tested. The salt solution gives a yellow precipitate with potassium chromate. The salt is:

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Which of the following options is incorrect?

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$A$ colourless crystalline salt $X$ is soluble in dilute $HCl$. On adding $NaOH$ solution,it gives a white precipitate which is insoluble in excess of $NaOH$. $X$ is

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Conc. $HNO_3$ is added before proceeding to test for group $III$ members. This is to

Similar Questions

$A$ mixture of two salts is not water-soluble but dissolves completely in dilute hydrochloric acid to form a colourless solution. The mixture could be

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Which of the following options is incorrect?

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