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Chemistry · PYQ NEET UG 2026

हिन्दी

Given below are two statements: Statement-I : \( [\text{Fe(ox)}_3]^{3-} \) is chiral. Statement-II : \( \text{trans-}[\text{Cr(H}_2\text{O)}_2\text{ox}_2]^-\text{ is chiral.} (Given : \(\text{oxH}_2 = \text{HOOC} - \text{COOH} \)) In light of the above statements, choose the most appropriate answer from the options given below:

  1. Both Statement-I and Statement-II are correct.
  2. Both Statement-I and Statement-II are incorrect.
  3. Statement-I is correct but Statement-II is incorrect.
  4. Statement-I is incorrect but Statement-II is correct.

Correct answer · Option 3

Statement-I is correct but Statement-II is incorrect.

Explanation

\( [\text{Fe(ox)}_3]^{3-} \) lacks a plane and center of symmetry, hence it is optically active (chiral). Trans isomer of \([\text{Cr(H}_2\text{O)}_2\text{ox}_2]^-\text{ has a plane of symmetry, making it achiral.}
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