Chemistry - Complete d-block Question with Solution | TestHub

ChemistryComplete d-blockd-blockEasy2 minPYQ_2020

ChemistryEasysingle choice

The transition element $X$ in its $+ 3$ oxidation state, has a configuration $[A r] 3 d^{4}$ . Then the atomic number of $X$ is

Answer:

Solution:

Number of electrons in excited state with $+ 3$ oxidation state is
$X^{+ 3} = 18 + 4 = 22$
Number of electrons in ground state
$X = 22 + 3 = 25$ .

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

⏱ 2mℹ️ Source: PYQ_2020

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