JEE Main 202124 FebruaryMorning Shift
- Exam
- JEE Main
- Year
- 2021
- Date
- 24 February
- Shift
- Morning Shift
- Subject
- Chemistry
- Chapter
- Practical Chemistry
JEE Main 2021 · 24 February · Morning Shift · Chemistry · Practical Chemistry
Given below are two statements: Statement I: Colourless cupric...
Given below are two statements:
Statement Colourless cupric metaborate is reduced to cuprous metaborate in a luminous flame.
Statement 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.
Options
- AStatement is false but Statement is true
- BBoth Statement and Statement are false
- CBoth Statement and Statement are true
- DStatement is true but Statement is false
Correct answer
B. Both Statement and Statement are false
Step-by-step 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.