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1
JEE Main 2023 (Online) 8th April Evening Shift
Numerical
+4
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The sum of oxidation state of the metals in $$\mathrm{Fe}(\mathrm{CO})_{5}, \mathrm{VO}^{2+}$$ and $$\mathrm{WO}_{3}$$ is ___________.

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2
JEE Main 2023 (Online) 6th April Morning Shift
Numerical
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In ammonium - phosphomolybdate, the oxidation state of Mo is + ___________

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3
JEE Main 2023 (Online) 1st February Morning Shift
Numerical
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Sum of oxidation states of bromine in bromic acid and perbromic acid is ___________.

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4
JEE Main 2023 (Online) 31st January Morning Shift
Numerical
+4
-1
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The oxidation state of phosphorus in hypophosphoric acid is + _____________.

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