NEET Chemistry The s-Block Elements Questions Solved

Which of the following metal on burning in moist air does not give smell of ammonia?

(a) Mg                                (b) Ca

(c) K                                  (d) Li

(c) In I group only Li form nitride and all II group metals form nitride.

    Mg+N2Mg3N2H2OmoistMgOH2+NH3Ca+N2H2OmoistCaOH2+NH3Li+N2Li3NH2O(moist)LiOH+NH3                        K+N2no reaction

Difficulty Level:

  • 17%
  • 14%
  • 31%
  • 40%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 25, 2019)