JEE Main 2023 (Online) 10th April Evening Shift | Redox Reactions Question 17 | Chemistry

JEE Main 2023 (Online) 10th April Evening Shift

Numerical

-1

In alkaline medium, the reduction of permanganate anion involves a gain of __________ electrons.

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JEE Main 2023 (Online) 8th April Evening Shift

Numerical

-1

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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JEE Main 2023 (Online) 6th April Morning Shift

Numerical

-1

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

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JEE Main 2023 (Online) 1st February Morning Shift

Numerical

-1

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

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