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D and F Block Elements question

2025 · 3 Apr · Shift 1 · Q22

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D and F Block Elements
2025 · 3 Apr · Shift 1 · Q22

D and F Block Elements question

2025 · 3 Apr · Shift 1 · Q22

JEE MainChemistryD and F Block ElementsNumerical+4 / −1

Consider the following reactions

\begin{aligned} & \mathrm{A}+\underset{\substack{ \text { Little } \\ \text { amount }}}{\mathrm{NaCl}}+\mathrm{H}_2 \mathrm{SO}_4 \rightarrow \mathrm{CrO}_2 \mathrm{Cl}_2+\text { Side Products } \\ & \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

\underline{\hspace{2cm}}

Numerical answer

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