Given below are two statements :

Question:

Given below are two statements :

Statement I : Colourless cupric metaborate is reduced to cuprous metaborate in a luminous flame.

Statement II : Cuprous metaborate is obtained by heating boric anhydride and copper sulphate in a non-luminous flame. In the light of the above statements, choose the most appropriate answer from the options given below. 

  1. Statement I is true but Statement II is false

  2. Both Statement I and Statement II are false

  3. Statement I is false but Statement II is true

  4.  Both Statement I and Statement II are true 


Correct Option: , 2

Solution:

(i) Blue cupric metaborate is reduced to colourless

cuprous metaborate in a luminous flame 

(ii) Cupric metaborate is obtained by heating boric anhydride and copper sulphate in a non luminous flame.

 

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