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Chemistry Question on p -Block Elements

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.

A

Statement I is true but Statement II is false

B

Both Statement I and Statement II are false

C

Statement I is false but Statement II is true

D

Both Statement I and Statement II are true

Answer

Both Statement I and Statement II are false

Explanation

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.