NEET Chemistry The s-Block Elements Questions Solved

Alkali metal ions are- 

(A) Diamagnetic and coloured

(B) Diamagnetic and colourless

(C) Paramagnetic and coloured

(D) Paramagnetic and colourless

(B). Since the electronic configurations of M+ ions are similar to those of noble gases (s2or s2p6), these ions have no unpaired electrons and consequently are diamagnetic and colourless.

Difficulty Level:

  • 9%
  • 22%
  • 57%
  • 14%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)