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Byju's Answer

Standard XII

Chemistry

Chemical Properties of Alcohol

The solution ...

Question

The solution of a chemical compound $X$ reacts with $A g N O_{3}$ solution to form a white precipitate of $Y$ which dissolves in $N H_{4} O H$ to give a complex $Z$ . When $Z$ is treated with $d i l . H N O_{3}$ , $Y$ reappears. The chemical compound $X$ can be :

N a C l

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C H_{3} C l

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N a B r

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N a I

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Solution

The correct option is B $N a C l$
Option (A) is correct.
The chemical compound $X$ can be $N a C l$ .
$\begin{matrix} N a C l & + & A g N O_{3} & ⟶ & A g C l (W h i t e) \end{matrix}$
$C H_{3} C l$ does not give ppt.

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Similar questions

Q. The aqueous solution of an inorganic compound (X) gives white precipitate with

N H_{4} O H

which does not dissolve in excess of

N H_{4} O H

This aqueous solution also gives white precipitate with

A g N O_{3}

and the precipitate is soluble in dilute

H N O_{3}

. Here, (X) is :

Q. The aqueous solution of inorganic compound

(X)

yielded a white precipitate when treated with dilute

H N O_{3}

and

A g N O_{3}

. Another sample of the solution of

(X)

when treated with

N a O H

gave a white precipitate first which dissolved in excess of

N a O H

yielding a colorless solution. When

H_{2} S

gas was passed through that solution a white precipitate was obtained.

Identify the compound

(X)

and give the reactions.

Q. When a piece of limestone reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z.
(a) What are X, Y and Z?
(b) Write equations for the reactions which take place:
(i) when limestone reacts with dilute HCl
(ii) when gas X reacts with lime water to form white precipitate Y
(iii) when excess of gas X dissolves white precipitate Y to form a soluble compound Z

Q. An aqueous solution of salt (A), gives white crystalline precipitate (B) with

N a C l

solution. The filtrate gives a black precipitate (C) when

H_{2} S

is passed through it. Compound (B) is dissolves in hot water and the solution gives a yellow precipitate (D) on treating with

N a I

and cooling. The compound (A) does not give any gas with dilute

H C l

but liberates reddish brown gas on heating.

Compound (A) is _________.

Q. A metal

M

reacts with sodium hydroxide to give a white precipitate

X

which is soluble in excess of

N a O H

to give

Y

. Compound

X

is soluble in

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to form a compound

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. Identify

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and

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The solution of a chemical compound X reacts with AgNO3 solution to form a white precipitate of Y which dissolves in NH4OH to give a complex Z. When Z is treated with dil.HNO3, Y reappears. The chemical compound X can be :

The correct option is B NaClOption (A) is correct.The chemical compound X can be NaCl.NaCl+AgNO3⟶AgCl(White)CH3Cl does not give ppt.

The solution of a chemical compound $X$ reacts with $A g N O_{3}$ solution to form a white precipitate of $Y$ which dissolves in $N H_{4} O H$ to give a complex $Z$ . When $Z$ is treated with $d i l . H N O_{3}$ , $Y$ reappears. The chemical compound $X$ can be :

The correct option is B $N a C l$
Option (A) is correct.
The chemical compound $X$ can be $N a C l$ .
$\begin{matrix} N a C l & + & A g N O_{3} & ⟶ & A g C l (W h i t e) \end{matrix}$
$C H_{3} C l$ does not give ppt.