The balance equation of the following is:

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${"mathml":"<math class="image_resized" style="width:152px;height:18px"><span style="font-family:$

answer is D.

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Detailed Solution

Concept: The balanced chemical reaction has the same number of atoms present on both sides of the reaction.
In the given reaction:
${"mathml":"<math class="image_resized" style="width:128px;height:16px"><span style="font-family:$ Now, balance the oxygen atom in both side
${"mathml":"<math class="image_resized" style="width:144px;height:16px"><span style="font-family:$ Now, balance the iron atom in both sides:
${"mathml":"<math class="image_resized" style="width:152px;height:18px"><span style="font-family:$ Hence, the correct answer is option (4) .

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