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NEET2018Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Assertion : Brown ring test is not valid for Fe ⁺³ ion. Reason : Because NO ₃⁻ ion first gets converted into NO ₂⁻ ion.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

C. If assertion is true but reason is false.

Step-by-step solution

In brown ring test, Fe ²⁺ ion oxidises to Fe ³⁺ ion, and NO ₃⁻ ion reduces to NO. Brown ring test is valid for Fe ²⁺ ion.

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