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AP EAMCET · Chemistry · s Block Elements

What are \(X, Y\) and \(Z\) in the following reactions?
\[
\begin{aligned}
& \mathrm{CaCO}_3 \stackrel{\Delta}{\rightleftharpoons} \mathrm{CO}_2+X \\
& X+\mathrm{H}_2 \mathrm{O} \longrightarrow Y \\
& Y+\mathrm{Cl}_2 \longrightarrow Z \\
& X \quad Y \quad Z
\end{aligned}
\]

  1. A \(\begin{array}{lll}\mathrm{CaO} & \mathrm{Ca}(\mathrm{OH})_2 & \mathrm{CaOCl}_2 \cdot \mathrm{H}_2 \mathrm{O}\end{array}\)
  2. B \(\begin{array}{lll}\mathrm{CaO} & \mathrm{Ca}(\mathrm{OCl})_2 & \mathrm{Ca}(\mathrm{OH})_2\end{array}\)
  3. C \(\mathrm{Ca}(\mathrm{OCl})_2 \quad \mathrm{Ca}(\mathrm{OH})_2 \quad \mathrm{CaO}\)
  4. D \(\mathrm{Ca}(\mathrm{OH})_2 \quad \mathrm{CaO} \quad \mathrm{Ca}(\mathrm{OCl})_2\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(\begin{array}{lll}\mathrm{CaO} & \mathrm{Ca}(\mathrm{OH})_2 & \mathrm{CaOCl}_2 \cdot \mathrm{H}_2 \mathrm{O}\end{array}\)

Step-by-step Solution

Detailed explanation

\begin{aligned} \mathrm{CaCO}_3 & \stackrel{\Delta}{\rightleftharpoons} \mathrm{CO}_2+\frac{\mathrm{CaO}}{X} \\ \frac{\mathrm{CaO}}{X}+\mathrm{H}_2 \mathrm{O} & \longrightarrow \frac{\mathrm{Ca}(\mathrm{OH})_2}{Y} \\ \frac{\mathrm{Ca}(\mathrm{OH})_2}{y}+\mathrm{Cl}_2 &…