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BITSAT 2015

Exam: BITSAT
Year: 2015
Subject: Chemistry
Chapter: s Block Elements

BITSAT 2015 · Chemistry · s Block Elements

The by product of Solvay-ammonia process is

The by product of Solvay-ammonia process is

Options

A $\mathrm{CO}_{2}$
B $\mathrm{NH}_{3}$
C $\mathrm{CaCl}_{2}$
D $\mathrm{CaCO}_{3}$

Correct answer

C. $\mathrm{CaCl}_{2}$

Step-by-step solution

\mathrm{CaCl}_{2}

is produced as a byproduct in solvay ammonia process.

\begin{array}{l}\text{ (i) }\mathrm{NaCl}+\mathrm{CO}_{2}+\mathrm{NH}_{3}+\mathrm{H}_{2}\mathrm{O}\\ \longrightarrow \mathrm{NaHCO}_{3}+\mathrm{NH}_{4}\mathrm{Cl} \end{array}

(

I)

\mathrm{CaCO}_{3}

\longrightarrow

\mathrm{CO}_{2}+\mathrm{CaO}

2

\mathrm{NH}_{2}\mathrm{Cl}+\mathrm{CaO}

\longrightarrow 2

\mathrm{NH}_{3}+\mathrm{CaCl}_{2}+\mathrm{H}_{2}\mathrm{C}

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