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NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

Which metals are NOT attacked by concentrated nitric acid as mentioned in the paragraph?

Options

  1. ACopper and zinc
  2. BGold and platinum
  3. CIron and aluminum
  4. DSilver and lead

Correct answer

B. Gold and platinum

Step-by-step solution

The paragraph states that concentrated nitric acid is a strong oxidizing agent and attacks most metals except noble metals such as gold and platinum.

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