Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 77

EASY

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IMPORTANT

Earn 100

Determine the equivalent weights of the following salts;

$(a) NaCl (b) K_{2} {SO}_{4} (c) {Ca}_{3} ({PO}_{4})_{2}$

Important Questions on Redox Reactions

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 78

1.12 litre

dry chlorine gas at STP was passed over a heated metal when

5.56 g

of chloride of the metal was formed. What is the equivalent weight of the metal?

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 80

Determine the equivalent weight of the following oxidising and reducing agents;

$(a) {KMnO}_{4} (reacting in acidic medium {MnO}_{4}^{-} \to {Mn}^{2 +})$

$(b) {KMnO}_{4} (reacting in neutral medium {MnO}_{4}^{-} \to {MnO}_{2})$

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 81

0.98 g

of the metal sulphate was dissolved in water and excess of barium chloride was added. The precipitated barium sulphate weighed

0.95 g

. Calculate the equivalent weight of the metal.

EASY

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 82

What volume at

NTP

of gaseous ammonia will be required to be passed into

30 {cm}^{3}

of

1 N H_{2} {SO}_{4}

solution to bring down the acid strength of the latter to

0.2 N

?

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 83

1.60 g

of a metal

A

and

0.96 g

of a metal

B

when treated with excess of dilute acid, separately, produced the same amount of hydrogen. Calculate the equivalent weight of

A

if the equivalent weight of

B

is

12

.

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 84

It needs

10 mL

of

1 M

{Ce}^{4 +}

to titrate

20 mL

of

1 M

{Sn}^{2 +} to {Sn}^{4 +}

. What is the oxidation state of the Cerium in the product?

EASY

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 85

25 mL

of a solution of

{Fe}^{2 +}

ions was titrated with a solution of the oxidizing agent

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

,

50 mL of 0.01 M

K_{2} {Cr}_{2} O_{7}

solution was required. What is the molarity of the

{Fe}^{2 +}

solution?

EASY

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 86

How many

mL

of

0.3 M K_{2} {Cr}_{2} O_{7}

(acidic) is required for complete oxidation of

5 mL of 0.2 M

{SnC}_{2} O_{4}

solution.