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Interstitial Compounds

Which of the ...

Question

Which of the following metal nitrate produces gaseous product when reacts with KCN solution?

A

C u (N O_{3})_{2}

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B

A g N O_{3}

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C

C d (N O_{3})_{2}

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D

P b (N O_{3})_{2}

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Solution

The correct option is B $C u (N O_{3})_{2}$
$2 C u (N O_{3})_{2} + 4 K C N ⟶ K N O_{3} + 2 C u C N R e d o x + (C N)_{2} ↑$

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Similar questions

Q. A student made the following observations in the laboratory.

I. Clean copper metal did not react with

1

P b (N O_{3})_{2}

solution
II. Clean lead metal dissolved in a

1

A g N O_{3}

solution and crystals of

A g

metal appeared
III. Clean silver metal did not react with

1

C u (N O_{3})_{2}

The order of decrease in reducing character of three metals is:

Q. A student made the following observations in the laboratory.

(i) Clean copper metal did not react with 1 molar

P b (N O_{3})_{2}

solution
(ii) Clean lead metal dissolved in a 1 molar

A g N O_{3}

solution and crystals of Ag metal appeared
(iii) Clean silver metal did not react with 1 molar

C u (N O_{3})_{2}

The order of decreasing reducing character of the three metal is:

2 A g {N O}_{3} + C u \to C u {({N O}_{3})}_{2} + 2 A g

What is the percent yield when

0.17 g

A g {N O}_{3}

in aqueous solution reacts with excess copper to produce

0.08 g

A g

A g = 107 g / m o l

An aqueous blue coloured solution of a transition metal nitrate reacts with

H_{2} S

in acidic medium to give a black precipitate (X), which dissolves in

K C N

solution forming a clear solution of (Y). The blue solution on reaction with

K I

in weakly acidic medium becomes intensely brown and produces a white precipitate (Z).

The electron configuration of the transition metal ion is

P b + C u (N O_{3})_{2} \to P b (N O_{3})_{2} + C u

C u + A g (N O_{3})_{2} \to C u (N O_{3})_{2} + A g

Z n + P b (N O_{3})_{2} \to Z n (N O_{3})_{2} + P b

The least reactive metal is,

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