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What are X,Y and Z in the following reac...

What are X,Y and Z in the following reactions ?
`{:(CaCO_(3) overset(Delta)(hArr)CO_(2)+X),(X+H_(2)O rarr Y),(Y+Cl_(2) rarr Z):}`

A

`{:(X,Y,Z),(CaO,Ca(OH)_2,CaOCl_2.H_2O):}`

B

`{:(X,Y,Z),(CaO,Ca"(OCl)"_2,Ca"(OH)"_2):}`

C

`{:(X,Y,Z),(Ca"(OCl)"_2,Ca"(OH)"_2,CaO):}`

D

`{:(X,Y,Z),(Ca(OH)_2,CaO,Ca(OCl)_2):}`

Text Solution

Verified by Experts

The correct Answer is:
A
`CaCO_(3) overset(Delta) hArr CO_(2) + (CaO)/(x)`
`(CaO)/(X)+H_(2)O rarr (Ca(OH)_(2))/(Y)`
`(Ca(OH)_(2))/y + Cl_(2) rarr (CaOCl_2)/(Z). H_(2)O`
Calcium carbonate is strongly heatad until it undergoes themal decomposition to from calcium oxide and carbon dioxide . The calcium oxide is dissolved in water to form calcium hydroxide.
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