Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 8

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One mole of $N_{2} H_{4}$ looses ten moles of electrons to form a new compound $Y$ . Assuming that all the nitrogen appears in the new compound, what is the oxidation state of nitrogen in $Y$ ? (there is no change in the oxidation state of hydrogen)

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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 9

The average oxidation state of

Fe

in

{Fe}_{3} O_{4}

is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 10

In the reaction

xHI + {yHNO}_{3} ⟶ NO + I_{2} + H_{2} O,

upon balancing with the whole number, the coefficients are

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 12

For the redox reaction

{xP}_{4} + {yHNO}_{3} ⟶ H_{3} {PO}_{4} + {NO}_{2} + H_{2} O,

upon balancing with whole number coefficients:

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 13

In the reaction

X^{-} + {XO}_{3}^{-} + H^{+} ⟶ X_{2} + H_{2} O,

the molar ratio in which

X^{-}

and

{XO}_{3}^{-}

react is

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 14

{CN}^{-}

is oxidised by

{NO}_{3}^{-}

in presence of acid:

{aCN}^{-} + {bNO}_{3}^{-} + {cH}^{+} ⟶ (a + b) NO + {aCO}_{2} + \frac{C}{2} H_{2} O

What are the whole number values of

a, b, c

in that order:

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 15

What is the definition of oxidation number?

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 16

What is the definition of titration?

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Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-1>Q 18

Define equivalence point.