AP EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
Which one of the following pairs of reactants
does not form oxygen when they react with
each other?
- A \(\mathrm{F}_2, \mathrm{NaOH}\) solution (hot, conc.)
- B \(\mathrm{F}_2, \mathrm{H}_2 \mathrm{O}\)
- C \(\mathrm{Cl}_2, \mathrm{NaOH}\) solution (cold, dilute)
- D \(\mathrm{CaOCl}_2, \mathrm{H}_2 \mathrm{SO}_4\) (dilute, small amount)
Answer & Solution
Correct Answer
(C) \(\mathrm{Cl}_2, \mathrm{NaOH}\) solution (cold, dilute)
Step-by-step Solution
Detailed explanation
\(\mathrm{Cl}_2+\underset{\text { cold, dil }}{2 \mathrm{NaOH}} \longrightarrow \mathrm{NaCl}+\mathrm{NaClO}+\mathrm{H}_2 \mathrm{O}\) Chlorine react with cold and dilute NaOH to give sodium hypochlorite.
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