Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>PROBLEMS FOR PRACTICE>Q 1

MEDIUM

11th CBSE

IMPORTANT

Earn 100

Find the oxidation number of the element in bold in the following species:
$Pb {SO}_{4}, U_{2} O_{7}^{4 -}, B_{4} O_{7}^{2 -}, Cr O_{4}^{2 -}, K_{2} Mn O_{4}$

Important Questions on Redox Reactions

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>PROBLEMS FOR PRACTICE>Q 2

Determine the oxidation number of Carbon in the following:

C_{2} H_{6}, C_{4} H_{10}, CO, {CO}_{2}

and

{HCO}_{3}^{-}

.

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>PROBLEMS FOR PRACTICE>Q 3

Determine the oxidation number of Oxygen in the following:

{OF}_{2}, {Na}_{2} O_{2}, {Na}_{2} O, {KO}_{2}, {KO}_{3},

and

O_{2} F_{2}

.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>PROBLEMS FOR PRACTICE>Q 4

Find out the oxidation number of chlorine in

HCl

,

HCIO

,

{ClO}_{4}^{-}

and

{ClO}_{2}

.

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>PROBLEMS FOR PRACTICE>Q 5

Find out the oxidation number of sulphur in the following species:

$H_{2} {SO}_{4}, S_{2} {O_{4}}^{2 -}, S_{2} {O_{7}}^{2 -}, {HSO}_{3}^{-}, {HSO}_{4}^{-}$

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>PROBLEMS FOR PRACTICE>Q 6

Determine the oxidation number of all the atoms in the following well known oxidants

{KMnO}_{4}, K_{2} {Cr}_{2} O_{7}

and

{LiAlH}_{4} .

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>PROBLEMS FOR PRACTICE>Q 7

Determine the change in the oxidation number of Sulphur in

H_{2} S

and

{SO}_{2}

in the following industrial reaction:

2 H_{2} S (g) + {SO}_{2} (g) \to 3 S (s) + 2 H_{2} O (g)

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>PROBLEMS FOR PRACTICE>Q 8

What is the number of oxidation number of Sulphur in

S_{2} {Cl}_{2}

.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 8 - Redox Reactions>PROBLEMS FOR PRACTICE>Q 1

Balance the following equations in acidic medium by both oxidation number and ion electron methods and identify the oxidants and the reductants:

{MnO}_{4}^{-} (aq) + C_{2} H_{2} O_{4} (aq) \to {Mn}^{+ 2} (aq) + {CO}_{2} (g) + H_{2} O (l)