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List of top Chemistry Questions on Periodicity of Elements asked in JEE Main

Number of Cl=O bonds in chlorous acid, chloric acid and perchloric acid respectively are :
  • JEE Main - 2021
  • JEE Main
  • Chemistry
  • Periodicity of Elements
Given below are two statements :
Statement I : None of the alkaline earth metal hydroxides dissolve in alkali.
Statement II : Solubility of alkaline earth metal hydroxides in water increases down the group.
In the light of the above statements, choose the most appropriate answer from the options given below :

  • JEE Main - 2021
  • JEE Main
  • Chemistry
  • Periodicity of Elements
Which one of the following compounds of Group-14 elements is not known ?
  • JEE Main - 2021
  • JEE Main
  • Chemistry
  • Periodicity of Elements
Match List - I with List - II : List - I
(a) Ca(OCl)₂
(b) CaSO₄ · 1/2 H₂O
(c) CaO
(d) CaCO₃ List - II
(i) Antacid
(ii) Cement
(iii) Bleach
(iv) Plaster of Paris
  • JEE Main - 2021
  • JEE Main
  • Chemistry
  • Periodicity of Elements
The number of ionisable hydrogens present in the product obtained from a reaction of phosphorus trichloride and phosphonic acid is :
  • JEE Main - 2021
  • JEE Main
  • Chemistry
  • Periodicity of Elements

Match List - I with List - II. 

  • JEE Main - 2021
  • JEE Main
  • Chemistry
  • Periodicity of Elements
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