Chemistry - Complete d-block Question with Solution | TestHub

ChemistryComplete d-blockd-blockEasy2 minPYQ_2014

ChemistryEasymatching list

Copper becomes green when exposed to moist air for a long period. This is due to:

Answer:

Solution:

Copper when exposed to moist air having $CO_{2}$ . It gets superficially coated with a green layer of basic carbonate $CuCO_{3}$ . $Cu$ $(OH)_{2}$ .

Stream:JEESubject:ChemistryTopic:Complete d-blockSubtopic:d-block

⏱ 2mℹ️ Source: PYQ_2014

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