Which from following statements is NOT correct?

Which from following statements is NOT correct?
  1. All alkali metals are silvery white.
  2. Density of potassium is less than sodium.
  3. Compounds of group- 1 elements are diamagnetic.
  4. Melting point of group-1 elements increase down the group.

Solution

Melting point of group- 1 elements decreases down the group.

Asked in: MHT CET 2023 (09 May Shift 1)

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