Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 2 - Mole Concept - 2>EXERCISE>Q 13

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IMPORTANT

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When $N_{2}$ is converted into ${NH}_{3}$ , the equivalent weight of nitrogen will be:

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Important Questions on Mole Concept - 2

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Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 2 - Mole Concept - 2>EXERCISE>Q 14

When

{HNO}_{3}

is converted into

{NH}_{3}

, the equivalent weight of

{HNO}_{3}

will be

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Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 2 - Mole Concept - 2>EXERCISE>Q 15

In the conversion ${NH}_{2} OH ⟶ N_{2} O$ the equivalent weight of ${NH}_{2} OH$ will be : ( $M =$ molecular weight of ${NH}_{2} OH$ )

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Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 2 - Mole Concept - 2>EXERCISE>Q 16

In the ionic equation, $2 K + {BrO}_{3}^{-} + 12 H^{+} + 10 e^{-} ⟶ {Br}_{2} + 6 H_{2} O + 2 K^{+}$ , the equivalent weight of ${KBrO}_{3}$ will be :

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Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 2 - Mole Concept - 2>EXERCISE>Q 17

How many millilitres of

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

solution will be required for complete reaction with a solution containing

0.125 g

of pure

{Na}_{2} {CO}_{3}

:

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Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 2 - Mole Concept - 2>EXERCISE>Q 18

If

25 mL

of

H_{2} {SO}_{4}

solution reacts completely with

1.06 g

of pure

{Na}_{2} {CO}_{3},

what is the normality of this acid solution:

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Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 2 - Mole Concept - 2>EXERCISE>Q 19

The mass of oxalic acid crystals

(H_{2} C_{2} O_{4} \cdot 2 H_{2} O)

required to prepare

50 mL

of a

0.2 N

solution is:

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Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 2 - Mole Concept - 2>EXERCISE>Q 20

125 mL

of

63 % (w / v) H_{2} C_{2} O_{4} \cdot 2 H_{2} O

solution is made to react with

125 mL

of a

40 % (w / v) NaOH

solution. The resulting solution is: (ignoring hydrolysis of ions)

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Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 2 - Mole Concept - 2>EXERCISE>Q 21

A certain weight of pure

{CaCO}_{3}

is made to react completely with

200 mL

of a

HCl

solution to give

224 mL

of

{CO}_{2}

gas at

STP

. The normality of the

HCl

solution is: