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The d- and f-Block Elements: JEE Mains 2022 June 29 Shift 1

Medium· Compounds of K2Cr2O7 and KMnO4· +4 / 0

The number of terminal oxygen atoms present in the product

B

obtained from the following reaction is ______.

\mathrm{FeCr_2O_4+Na_2CO_3+O_2\rightarrow A+Fe_2O_3+CO_2}

\mathrm{A+H^+\rightarrow B+H_2O+Na^+}

Your answer (numerical)

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