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Identification Test for Salts

Which of the ...

Question

Which of the following gives a white precipitate with a solution of $A g N O_{3}$ , a white precipitate with dilute $H_{2} S O_{4}$ and a green flame test?

A

Copper chloride

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B

Copper nitrate

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C

Lead nitrate

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D

Barium chloride

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Solution

The correct option is D Barium chloride
Option (D) is correct.
Barium chloride gives a white precipitate with a solution of $A g N O_{3}$ forming white ppt. of $A g C l$ . A white precipitate of $B a S O_{4}$ is formed with $d i l . H_{2} S O_{4}$ .
$B a$ gives green flame.
$B a C l + A g N O_{3} ⟶$ AgCl $(w h i t e p p t) + B a N O_{3}$
$B a C l + d i l . H_{2} S O_{4} ⟶ B a S O_{4} + 2 H C l$

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