Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 8

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The number of moles of acidified ${KMnO}_{4}$ required to convert sulphite ion into sulphate ion is :

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Important Questions on The d- and f-Block Elements

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 9

N_{2} (g) + 3 H_{2} (g) \overset{Fe + Mo}{⇌} 2 {NH}_{3} (g);

Haber's process, Mo is used as:

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 10

The magnetism of

{Ni}^{2 +}

ion is :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 11

During estimation of oxalic acid

Vs {KMnO}_{4},

self indicator is :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 12

Manganese steel is used for making railways because :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 13

Bordeaux mixture is used as a fungicide. It is a mixture of :

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 14

${FeCl}_{3} \cdot 6 H_{2} O + C {({CH}_{3})}_{2} {({CH}_{3} O)}_{2} \to$ Products

Reaction products are

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 15

{CuSO}_{4}

can be estimated volumetrically:

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Beta Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>EXERCISE-1>Q 16

Which of the following compounds is most sensetive of light?