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NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

1 Hard
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Understanding +4 | -1
Consider the following reaction:

NaCl+K2Cr2O7+H2SO4→A+K2SO4+Na2SO4+H2O\mathrm{NaCl}+\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7+\mathrm{H}_2 \mathrm{SO}_4 \rightarrow \mathbf{A}+\mathrm{K}_2 \mathrm{SO}_4+\mathrm{Na}_2 \mathrm{SO}_4+\mathrm{H}_2 \mathrm{O} The formula and colour of the product ' AA ' respectively will be
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Correct option: D
CrO2Cl2\mathrm{CrO}_2 \mathrm{Cl}_2, red
The correct answer is CrO2Cl2\mathrm{CrO}_2 \mathrm{Cl}_2, red because chromyl chloride (CrO2Cl2\mathrm{CrO}_2 \mathrm{Cl}_2) is formed in the reaction, which has a reddish-brown color.

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