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  4. 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 arrow A + Fe 2 O 3+ CO 2 A + H + arrow B + H 2 O + Na +

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Q. 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} \rightarrow A + Fe _{2} O _{3}+ CO _{2} $
$ A + H ^{+} \rightarrow B + H _{2} O + Na ^{+}$

JEE MainJEE Main 2022The d-and f-Block Elements

Solution:

Correct answer is '6'

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