Q.

Given below are two statements: 
Statement I: Upon heating a borax bead dipped in cupric sulphate in a luminous flame, the colour of the bead becomes green 
Statement II: The green colour observed is due to the formation of copper (I) metaborate 
In the light of the above statements, choose the most appropriate answer from the options given below:

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a

Statement I is false but Statement II is true

b

Both Statement I and Statement II are false

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

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Statement I: Upon heating a borax bead dipped in cupric sulphate in non-luminous flame, the colour is observed. 
 Statement I is wrong. 
Statement II: Green colour is observed due to formation of copper (II) metaborate. 
 Statement II is wrong.

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