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Chemistry · CHEMICAL BONDING AND MOLECULAR STRUCTURE

हिन्दी

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The net dipole moment of carbon dioxide (\( \text{CO}_2 \)) is zero. Reason (R): Carbon dioxide contains two polar carbon-oxygen double bonds. In the light of the above statements, choose the correct answer from the options given below:

  1. Both (A) and (R) are true and (R) is the correct explanation of (A).
  2. Both (A) and (R) are true but (R) is NOT the correct explanation of (A).
  3. (A) is true but (R) is false.
  4. (A) is false but (R) is true.

Correct answer · Option 2

Both (A) and (R) are true but (R) is NOT the correct explanation of (A).

Explanation

Both statements are true, but (R) does not explain why the dipole moment is zero. The dipole moment is zero because \( \text{CO}_2 \) is linear, causing the two equal bond dipoles to point in opposite directions and cancel each other.
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