JEE Main 2023 — Practical Chemistry Question with Solution
JEE Main 2023 (31 Jan Shift 2)
Question
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:
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:
Choose an option
Show full solutionCorrect option: A
Correct answer
ABoth Statement I and Statement II are false
Step-by-step explanation
Upon heating a borax bead dipped in cupric sulphate in a luminous flame, the colour of the bead becomes blue. Blue colour is observed due to copper (II) metaborate while copper (I) is colourless,
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