Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>COMPETITION FOCUS>Q I

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A metal ion $M^{3 +}$ loses $3$ electrons, its oxidation number will be.

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Important Questions on Redox Reactions

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IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>COMPETITION FOCUS>Q I

What is the oxidation state of

Co

in

{[Co {(H_{2} O)}_{5} Cl]}^{2 +} ?

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Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>COMPETITION FOCUS>Q I

Which of the following statements is correct?

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Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>COMPETITION FOCUS>Q I

Which of the following processes does not involve oxidation of iron?

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Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>COMPETITION FOCUS>Q I

Oxidation state of each

Cl

in

{CaOCl}_{2}

is/are

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Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>COMPETITION FOCUS>Q I

The oxidation states of $S$ atoms in $S_{4} O_{6}^{2 -}$ from left to right respectively are

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Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>COMPETITION FOCUS>Q I

The oxidation numbers of the sulphur atoms in peroxomonosulphuric acid

(H_{2} {SO}_{5})

and peroxodisulphuric acid

(H_{2} S_{2} O_{8})

are respectively.

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Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>COMPETITION FOCUS>Q I

In acidic medium,

H_{2} O_{2}

changes

{Cr}_{2} {O_{7}}^{2 -}

to

{CrO}_{5}

which has

(- O - O -)

bonds. Oxidation state of

Cr

in

{CrO}_{5}

is

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Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>COMPETITION FOCUS>Q I

The oxidation state of chromium in the final product formed by the reaction between

KI

and acidified potassium dichromate solution is