All In One ISC Chemistry Class 12>Chapter 19 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 1

HARD

12th ICSE

IMPORTANT

Earn 100

Answer the following questions.

Why is $ICl$ more reactive than $I_{2}$ ?

Important Questions on Sample Question Paper 4

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12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 19 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 2

Exemplify the Cannizzaro reaction.

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12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 19 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 3

Complete the following reaction sequence :

Question Image

MEDIUM

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 19 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 4

Using soap is safer than detergent from the environmental point of view.

MEDIUM

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 19 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 4

Hair shampoos belong to which class of synthetic detergent.

EASY

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 19 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 5

Explain with suitable reasons:

Nitrogen is much less reactive than phosphorus.

HARD

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 19 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 5

Explain with suitable reasons:

The stability of $+ 5$ oxidation state decreases down the group $15$ .

EASY

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 19 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 6

Determine the amount of

KCl

which must be added to

1 Kg

of water so that the freezing point is depressed by

2 K

. (

K_{f}

for water

= 1.86 K Kg {mol}^{- 1}

)

HARD

12th ICSE

IMPORTANT

All In One ISC Chemistry Class 12>Chapter 19 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 7

Calculate the emf of the cell in which the given reaction takes place:

Ni (s) + 2 {Ag}^{+} (0.002 M) \to {Ni}^{2 +} (0.160 M) + 2 Ag

. Given that

E °_{cell} = 1.05 V

.