A metal carbonate X on treatment with a mineral acid liberates a gas which when passed through aqueous solution of a substance Y gives back X. The substance Y on reaction with the gas obtained at anode during electrolysis of brine gives a compound Z which can decolorise coloured fabrics. The compounds X, Y and Z respectively are

$C a C O_{3}, C a (O H)_{2}, C a O C l_{2}$

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$C a (O H)_{2}, C a O, C a O C l_{2}$

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$C a c O_{3}, C a O C l_{2}, C a (O H)_{2}$

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$C a (O H)_{2}, C a C O_{3}, C a O C l_{2}$

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Solution

The correct option is A
$C a C O_{3}, C a (O H)_{2}, C a O C l_{2}$

$C a C O_{3} + H C l \to C a C l_{2} + H_{2} O + C O_{2}^{-} (x) C a (O H)_{2} + C O_{2} \to C a C O_{3} + H_{2} O (y) C a (O H)_{2} + C l_{2} \to C a O C l_{2} (z)$

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Similar questions

Q. A metal carbonate X on treatment with a mineral acid liberates a gas which when passed through aqueous solution of a substance Y gives back X. The substance Y on reaction with the gas obtained at anode during electrolysis of brine gives a compound Z which can decolorise coloured fabrics. The compounds X, Y and Z respectively are.

Q. A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives the carbonate back. On the other hand, a gas G that is obtained at the anode during electrolysis of brine is passed on dry Y, it gives a compound Z, used for disinfecting drinking water. Identify X, Y, G and Z.

Question 45.
A metal carbonate X on reacts with acid and gives a gas which when passed through a solution Y gives the carbonate back. On the other hand, a gas G that is obtained at the anode during electrolysis of brine is passed on dry Y, it gives a compound Z, used for disinfecting drinking water. Identify X, Y, G and Z.

Q. A metal

X

on heating in nitrogen gas gives a compound

Y

. Compound

Y

on treatment with

H_{2} O

gives a colourless gas which when passed through

C u S O_{4}

solution gives a blue colour. Then, compound

Y

is:

The compound X on heating gives a colourless gas . The residue is dissolved in water to obtain Y. Excess CO₂ is bubbled through aqueous solution of Y,Z is formed . Z on gentle heating gives back X. The compound X is:

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The correct option is A CaCO3,Ca(OH)2,CaOCl2 CaCO3+HCl→CaCl2+H2O+CO−2 (x)Ca(OH)2+CO2→CaCO3+H2O (y)Ca(OH)2+Cl2→CaOCl2 (z)

The correct option is A
$C a C O_{3}, C a (O H)_{2}, C a O C l_{2}$

$C a C O_{3} + H C l \to C a C l_{2} + H_{2} O + C O_{2}^{-} (x) C a (O H)_{2} + C O_{2} \to C a C O_{3} + H_{2} O (y) C a (O H)_{2} + C l_{2} \to C a O C l_{2} (z)$