The number of terminal oxygen atoms present in the product $B$ obtained from the following reaction is
${FeCr}_{2} O_{4} + {Na}_{2} {CO}_{3} + O_{2} \to A + {Fe}_{2} O_{3} + {CO}_{2}$
$A + H^{+} \to B + H_{2} O + {Na}^{+}$

Question

The number of terminal oxygen atoms present in the product B obtained from the following reaction is FeCr 2 O 4 + Na 2 CO 3 + O 2 → A + Fe 2 O 3 + CO 2 A + H + → B + H 2 O + Na +

TestHub · Accepted Answer

4 FeCr 2 O 4 + 8 Na 2 CO 3 + 7 O 2 → 8 Na 2 CrO 4 + 2 Fe 2 O 3 + 8 CO 2 2 Na 2 CrO 4 + 2 H + → Na 2 Cr 2 O 7 ⏟ B + 2 Na + + H 2 O

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