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AP EAMCET201726 Apr 2017Morning ShiftChemistrys Block ElementsActual

Which one of the following statements is not correct?

Options

  1. AThe hydration enthalpies of alkali metal ions decrease down the group.
  2. BLithium halides are some what covalent in nature.
  3. CAlkali metals react with water liberating oxygen gas.
  4. DKO ₂ is paramagnetic.

Correct answer

C. Alkali metals react with water liberating oxygen gas.

Step-by-step solution

2 M (s)+2 H ₂ O 2 MOH + H ₂(g) (Where M = Alkali Metal)

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