Chemistry - Complete d-block Question with Solution | TestHub

ChemistryComplete d-blockd-blockMedium2 minPYQ_2021

ChemistryMediummatching list

The correct order of following $3 d$ metal oxides, according to their oxidation numbers is :

(a) ${CrO}_{3}$

(b) ${Fe}_{2} O_{3}$

(d) $V_{2} O_{5}$

(e) ${Cu}_{2} O$

Answer:

Solution:

(a) $\overset{+ 6}{Cr} O_{3}$

(b) ${\overset{+ 3}{Fe}}_{2} O_{3}$

(d) ${\overset{+ 5}{V}}_{2} O_{5}$

(e) ${\overset{+ 1}{Cu}}_{2} O$

So order of oxidation state

$a > d > c > b > e$

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

⏱ 2mℹ️ Source: PYQ_2021

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