Q.

 Consider 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.

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a

Both Statement I and Statement II are false

b

Statement I is false but Statement II is true

c

Statement I is true but Statement II is false

d

Both Statement I and Statement II are true

answer is A.

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Detailed Solution

S – 1 Cupric metaborate is Blue – green colour

S – 2 Cupric metaborate is formed by heating CuSO4 , B2 O3 in non luminous flame.

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