Which of the Following Reactions Is NOT Balanced

question 23

Multiple Choice

Which of the following reactions is NOT balanced?

• A) 2 Al + 6 HCl → 2 AlCl₃ + 3 H₂
• B) Fe₂O₃ + 2 Al → 2 Fe + Al₂O₃
• C) C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O
• D) C₂H₆O + O₂ → 2 CO₂ + 3 H₂O
• E) CaO + 3 C → CaC₂ + CO

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Definitions:

Malpighian Tubules

Excretory structures that remove wastes from the hemolymph (blood) of insects and arachnids, playing a role in osmoregulation.

Active Transport

A cellular process that moves substances against their concentration gradient, requiring energy.

Toxic Ammonia

Harmful levels of ammonia that can accumulate in the body or environment, potentially leading to health issues or ecological damage.

Snails

Molluscs with coiled shells in the adult stage and are known for their slow movement.