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

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Conversion of ${PbSO}_{4}$ to $PbS$ , the oxidation number of sulphur in $PbS$ is:

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Important Questions on Redox Reactions

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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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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}

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 62

In which of the following compounds does hydrogen have an oxidation state of

- 1 ?

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 63

Hydrogen acts as an oxidising agent in the reaction with:

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 64

When

H_{2} O_{2}

is oxidised by a suitable oxidant, one of the products is: