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D And F Block Elements

JEE Main 2022 (Online) 29th June Morning Shift

INTEGER+4 / -12022

The number of terminal oxygen atoms present in the product B obtained from the following reaction is _____________.


FeCr2O4 + Na2CO3 + O2 \(\to\) A + Fe2O3 + CO2


A + H+ \(\to\) B + H2O + Na+

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