JEE Mains · Chemistry · STD 12 - 4. d and f- block elements
Consider the following reactions
\(\begin{aligned}
& \mathrm{CrO}_2 \mathrm{Cl}_{2(\text { Vapour })}+\mathrm{NaOH} \rightarrow \mathrm{~B}+\mathrm{NaCl}+\mathrm{H}_2 \mathrm{O} \\
& \mathrm{~B}+\mathrm{H}^{+} \rightarrow \mathrm{C}+\mathrm{H}_2 \mathrm{O}
\end{aligned}\)
The number of terminal ' O ' present in the compound ' C ' is ______.
- A 5
- B 6
- C 7
- D 8
Answer & Solution
Correct Answer
(B) 6
Step-by-step Solution
Detailed explanation
\begin{aligned} & \mathrm{Cr}_2 \mathrm{O}_7^{2-}+\mathrm{NaCl}+\mathrm{H}_2 \mathrm{SO}_4 \rightarrow \mathrm{CrO}_2 \mathrm{Cl}_2 \\ & \mathrm{CrO}_2 \mathrm{Cl}_2(\text { Vapour })+\mathrm{NaOH} \rightarrow \mathrm{Na}_2 \mathrm{CrO}_4+\mathrm{NaCl}+\mathrm{H}_2…
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