Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 53

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IMPORTANT

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When $H_{2} {SO}_{3}$ is converted into $H_{2} {SO}_{4}$ the change in the oxidation state of sulphur is from:

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Important Questions on Redox Reactions

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 54

Which can have both

+ ve

and

- ve

oxidation states?

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 55

Which metal exhibits more than one oxidation states?

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 56

Conversion of

{PbSO}_{4}

to

PbS

, the oxidation number of sulphur in

PbS

is:

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 57

Oxidation state of oxygen in

H_{2} O_{2}

is

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 58

In the conversion of

{Br}_{2}

to

{BrO}_{3}^{-}

,the oxidation state of bromine changes from:

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 59

Oxidation number of

S

in

S_{2} {Cl}_{2}

is :

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 60

The oxidation number of

Fe

in

{FeS}_{2}

is _______.

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 61

Determine the

[H^{+}]

at half-equivalence point and

pH

at equivalence point during the titration of a

50 mL

,

0.1 M {NH}_{4} Cl

solution with

0.1 M NaOH

solution at

25 ° C

. Given

: K_{b}

of

{NH}_{3} = 2 \times 10^{- 5}