Chemistry - Salt Analysis Question with Solution | TestHub

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

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When $C_{2} H_{2}, CH_{4}$ and $C_{2} H_{4}$ pass through a test tube which has ammonical $Cu_{2} Cl_{2}$ , find out which gas comes out unaffected from test tube?

Options:

Answer:

Solution:

$C_{2} H_{2}$ forms copper acetylide with ammonical $Cu_{2} Cl_{2}$ $Cu_{2} Cl_{2} + 2 NH_{4} OH \to Cu_{2} O + H_{2} O + 2 NH_{4} Cl Cu_{2} O + C_{2} H_{2} \to (copper acetylide) Cu_{2} C_{2} + H_{2} O$

Stream:BITSATSubject:ChemistryTopic:Salt AnalysisSubtopic:TEST OF CATIONS Dry Test, Group Analysis, Group 1,2

⏱ 2mℹ️ Source: PYQ_2021

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