CUET · CHEMISTRY · PYQ PAPER 2025
\(\mathrm{Cr}_2 \mathrm{O}_7^{2-}\) dissolves in aqueous NaOH to give:
- A \(\mathrm{Cr}_2 \mathrm{O}_3\)
- B \(\mathrm{Cr}(\mathrm{OH})_3\)
- C \(\mathrm{CrO}_4^{2-}\)
- D \(\mathrm{CrO}_3\)
Answer & Solution
Correct Answer
(C) \(\mathrm{CrO}_4^{2-}\)
Step-by-step Solution
Detailed explanation
\\(\\mathrm{Cr}_2 \\mathrm{O}_7^{2-} + 2\\mathrm{OH}^- \\rightarrow 2\\mathrm{CrO}_4^{2-} + \\mathrm{H}_2\\mathrm{O}\\)
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