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Question: Answered & Verified by Expert
Among the following, the incorrect statement is
Chemistrys Block ElementsAP EAMCETAP EAMCET 2023 (18 May Shift 2)
Options:
  • A Cesium forms superoxide
  • B Sodium peroxide is paramagnetic
  • C Lithium chloride is deliquescent
  • D White metal is an alloy of lithium and lead
Solution:
2351 Upvotes Verified Answer
The correct answer is: Sodium peroxide is paramagnetic
Sodium peroxide has peroxide ion $\mathrm{O}_2^{2-}$ that has a total of 18 electrons and is diamagnetic.
The superoxide ion $\mathrm{O}_2^{-}$is paramagnetic.

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