Learn about the dot structure for sulfur dioxide in this Khan Academy video.

Assertion(A): The reaction of sulphur dioxide with acidified potassium permanganate solution is used as a test to detect the presence of SO A 2 ‍ . Reason(R) : Sulphur dioxide reduces Mn A 7 + ‍ to Mn A 2 + ‍ ions.

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Explanation of dipole moments in molecules and their significance.

Learn about the citric acid cycle in cellular respiration and its role in energy production.

Learn about formal charge and dot structures in chemistry with Khan Academy's detailed explanations and examples.

Learn about resonance and dot structures in chemistry with this educational video from Khan Academy.

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