Chemistry - Complete d-block Question with Solution | TestHub

ChemistryComplete d-blockd-blockEasy2 minPYQ_2020

ChemistryEasysingle choice

In which of the following oxyanions the oxidation state of central atom is not same as that of its group number in periodic table?

Options:

Answer:

Solution:

$(A) {M n O}_{4}^{-} = + 7; {[A r]}^{18} 3 d^{5} 4 s^{2} = 7$
$(B) C r_{2} O_{7}^{2 -} = + 6; {[A r]}^{18} 3 d^{5} 4 s^{1} = 6$
$(C) V O_{4}^{3 -} = + 5; {[A r]}^{18} 3 d^{3} 4 s^{2} = 5$
$(D) F e O_{4}^{2 -} = + 6; {[A r]}^{18} 3 d^{6} 4 s^{2} = 8$

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

⏱ 2mℹ️ Source: PYQ_2020

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