1
JEE Main 2023 (Online) 8th April Evening Shift
Numerical
+4
-1

The sum of oxidation state of the metals in $$\mathrm{Fe}(\mathrm{CO})_{5}, \mathrm{VO}^{2+}$$ and $$\mathrm{WO}_{3}$$ is ___________.

Your input ____
2
JEE Main 2023 (Online) 6th April Morning Shift
Numerical
+4
-1

In ammonium - phosphomolybdate, the oxidation state of Mo is + ___________

Your input ____
3
JEE Main 2023 (Online) 1st February Morning Shift
Numerical
+4
-1

Sum of oxidation states of bromine in bromic acid and perbromic acid is ___________.

Your input ____
4
JEE Main 2023 (Online) 31st January Morning Shift
Numerical
+4
-1

The oxidation state of phosphorus in hypophosphoric acid is + _____________.

Your input ____
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