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Introduction

How many of t...

Question

How many of the following cations belong to group IIA, III, IV, and V only in qualitative salt analysis?

$S n^{2 +}, H g_{2}^{2 +}, P b^{2 +}, Z n^{2 +}, C u^{2 +}, C r^{3 +}, A s^{3 +}, M g^{2 +}, S b^{3 +}$

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Solution

The correct option is B 5
Five cations belong to group IIA, III, IV, and V only in qualitative salt analysis.
$S n^{2 +} (I I B), H g_{2}^{2 +} (I I A), P b^{2 +} (I I A), Z n^{2 +} (I V), C u^{2 +} (I I A), C r^{3 +} (I I I), A s^{3 +} (I I B), M g^{2 +} (V I), S b^{3 +} (I I B)$

Suggest Corrections

Similar questions

G a^{3 +} > I n^{3 +} > T l^{3 +}

G a^{3 +} < I n^{3 +} < T l^{3 +}

G e^{+ 4} > S n^{+ 4} > P b^{+ 4}

G e^{+ 2} < S n^{2 +} < P b^{2 +}

A s^{3 +} < S b^{3 +} < B i^{3 +}

H g^{2 +}

H g_{2}^{2 +}

P b^{2 +}

C d^{2 +}

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F e^{3 +}

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H_{2} S

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