Chemistry - Mole Concept Question with Solution | TestHub
ChemistryMole ConceptDetection and Estimation of ElementsMedium2 minQB
ChemistryMediumsingle choice
Red hot carbon will remove oxygen from the oxides XO and YO but not from ZO . Y will remove oxygen from XO. Use this evidence to deduce the decreasing order of activity of the three metals and Z .
Options:
Answer:
B
Solution:
Concept: Reactivity series. Carbon reduces XO, YO but not ZO (). Y reduces XO (). Thus, .
Stream:JEESubject:ChemistryTopic:Mole ConceptSubtopic:Detection and Estimation of Elements
⏱ 2mℹ️ Source: QB
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