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Question: Answered & Verified by Expert
Assertion : Generally alkali and alkaline earth metals form superoxides.
Reason : There is a single bond between $\mathrm{O}$ and $\mathrm{O}$ in superoxides.
Chemistrys Block ElementsAIIMSAIIMS 2016
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
2805 Upvotes Verified Answer
The correct answer is: If both assertion and reason are false.
Only K, Rb and Cs from alkali metals form superoxides and superoxides possess three electron bond $(: \ddot{\mathrm{O}} \cdots$

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