COMEDK · Chemistry · 1. Some Basic Concepts of Chemistry
The volume of \(\mathrm{CO}_{2}\left(\mathrm{in} \mathrm{cm}^{3}\right)\) liberated at STP, when \(1.06 \mathrm{~g}\) of anhydrous sodium carbonate is treated with excess of dilute \(\mathrm{HCl}\) is [atomic mass of \(\mathrm{Na}=23]\)
- A 112
- B 224
- C 56
- D 2240
Answer & Solution
Correct Answer
(B) 224
Step-by-step Solution
Detailed explanation
\(\mathrm{Na}_{2} \mathrm{CO}_{3}+2 \mathrm{HCl}\) (dil.) \(\longrightarrow 2 \mathrm{NaCl}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}\) \(1 \mathrm{~mol} \quad\) (dil.) \(1 \mathrm{~mol}\) \(=1.06 \mathrm{~g} \quad=22400 \mathrm{~cm}^{3}\)…
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