KVPY SX SB Exam 20141 Question Paper

Question : 43 of 120

Marks: +1, -0

The metal with the highest oxidation state present in

K_ 2C rO_4, NbC\l_5

and

M nO_2

is.

Solution:

K_2CrO_4 ⇒ Cr+6

(highest oxidation state)

NbCl_5 ⇒ Nb^{+5}

MnO_2 ⇒ Mn^{+4}

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