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Hydrochloric Acid

X AgNO 3⟶ Y w...

Question

$X - ---- \to (A g N O_{3}) Y$ (white ppt.)
Y is soluble in nitric acid and ammonia. The ppt. becomes yellowish brown upon addition of excess reagent owing to the formation of Z. If aqueous suspension of Y is boiled then it gives same product Z.

Here Z is:

A

A g_{2} C O_{3}

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B

Ag

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C

A g_{2} O

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D

All of these

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Solution

The correct option is C $A g_{2} O$
$C O_{3}^{2 -} - ---- \to (A g N O_{3}) A g_{2} C O_{3}$

$A g_{2} C O_{3} - - \to (Δ) A g_{2} O + C O_{2}$

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Similar questions

X - ---- \to (A g N O_{3}) Y

(white ppt.)
Y is soluble in nitric acid and ammonia. The ppt. becomes yellowish brown upon addition of excess reagent owing to the formation of Z. If aqueous suspension of Y is boiled then it gives same product Z.

Here, X and Y are:

Q. Addition of sodium thiosulphate solution to a solution of silver nitrate gives 'X' as white precipitate, insoluble in water but soluble in excess thiosulphate solution to give 'Y'. On boiling in water, 'Y' gives Z. 'X', 'Y' and 'Z' respectively are:

Q. Addition of excess aqueous ammonia to a pink coloured aqueous solution of

M C l_{2} .6 H_{2} O (X)

N H_{4} C l

gives an octahedral complex Y in the presence of air. In aqueous solution, complex Y behaves as 1 :3 electrolyte. The reaction of X with excess

H C l

at room temperature results in the formation of a blue coloured complex Z. The calculated spin only magnetic moment of X and Z is 3.87 B.M., whereas it is zero for the complex Y. Among the following options, which statement(s) is/are correct?

Q. Addition of excess aqueous ammonia to a pink coloured aqueous solutions of

M C l_{2} .6 H_{2} O (X) and N H_{4} C l

gives an octahedral complex Y in the presence of air. In aqueous solution, complex Y behaves as 1 : 3 electrolyte. The reaction of X with excess HCl at room temperature results in the formation of a blue coloured complex Z. The calculated spin only magnetic moment of X and Z is 3.87 B.M., whereas it is zero for complex Y. Among the following options, which statement(s) is/are correct?

Q. The addition of excess aqueous ammonia to a pink coloured aqueous solution of

C o C l_{2} .6 H_{2} O (X)

N H_{4} C l

gives an octahedral complex

Y

in the presence of air. In an aqueous solution, complex

Y

1 : 3

electrolyte. The reaction of

X

H C l

at room temperature results in the formation of a blue colored complex

Z

([C o C l_{4}]^{2 -})

. The calculated spin only magnetic moment of

X

Z

3.87 BM

whereas, it is zero for complex

Y

.
Choose the correct statement among the following.

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