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  • Thermal decomposition of gives Carbon dioxide gas and Compound <img alt="\mathrm{A}

Thermal decomposition of \mathrm{CaCO}_{3} gives Carbon dioxide gas and Compound \mathrm{A}.
Compound \mathrm{A} when reacted with water gives compound \mathrm{B}. Compound \mathrm{B} on reaction with chlorine gas gives:

Option: 1

\mathrm{CaO}


Option: 2

\mathrm{CaOH}_{2}


Option: 3

\mathrm{CaOCl}_{2}


Option: 4

\mathrm{CaCl}_{2} \cdot 6 \mathrm{H}_{2} \mathrm{O}


Answers (1)

best_answer

\mathrm{CaCO}_{3}+$ Heat $\rightarrow \mathrm{CaO}+\mathrm{CO}_{2}

\mathrm{CaO}+\mathrm{H}_{2} \mathrm{O}\rightarrow \mathrm{Ca}(\mathrm{OH})_{2}

2 \mathrm{Ca}(\mathrm{OH})_{2}+2 \mathrm{Cl}_{2} \rightarrow \mathrm{CaCl}_{2}+\mathrm{CaOCl}_{2}+2 \mathrm{H}_{2} \mathrm{O}

Posted by

avinash.dongre

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