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Chemistry - Salt Analysis Question with Solution | TestHub

ChemistrySalt AnalysisTEST OF CATIONS Dry Test, Group Analysis, Group 1,2Medium2 minPYQ_2021
ChemistryMediumstatement

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.

Question diagram: Given below are two statements: Statement I : Colourless cup

Options:

Answer:
B
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.

Stream:JEESubject:ChemistryTopic:Salt AnalysisSubtopic:TEST OF CATIONS Dry Test, Group Analysis, Group 1,2
2mℹ️ Source: PYQ_2021

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