ALL IN ONE ISC Chemistry CLASS 11>Chapter 15 - Sample Question Paper 1>SAMPLE QUESTION PAPER 1>Q 7

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IMPORTANT

Earn 100

Write the Lewis structure of hydrogen peroxide.

Important Questions on Sample Question Paper 1

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 15 - Sample Question Paper 1>SAMPLE QUESTION PAPER 1>Q 7

Why is hydrogen peroxide stored in wax lined bottles ?

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 15 - Sample Question Paper 1>SAMPLE QUESTION PAPER 1>Q 7

What do you mean by 15 volume

H_{2} O_{2}

solution.?

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 15 - Sample Question Paper 1>SAMPLE QUESTION PAPER 1>Q 8

{BCl}_{3}

is trigonal planar while

{AlCl}_{3}

is tetrahedral in dimeric state. Explain.

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ALL IN ONE ISC Chemistry CLASS 11>Chapter 15 - Sample Question Paper 1>SAMPLE QUESTION PAPER 1>Q 9

The

pH

of

0.004 M

hydrazine solution is

9.7

. Calculate it's ionisation constant

K_{b}

and

{pK}_{b}

.

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 15 - Sample Question Paper 1>SAMPLE QUESTION PAPER 1>Q 10

The equilibrium constant for a reaction is 10. What will be the value of

∆ G °

?

R = 8.314 {JK}^{- 1} {mol}^{- 1}, T = 300 K .

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 15 - Sample Question Paper 1>SAMPLE QUESTION PAPER 1>Q 10

Calculate the entropy change in surroundings when 1.00 mole of

H_{2} O (l)

is formed under standard conditions.

∆_{f} H ° = - 286 {kJmol}^{- 1}

.

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 15 - Sample Question Paper 1>SAMPLE QUESTION PAPER 1>Q 11

What are spectator ions? Give one example.

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IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 15 - Sample Question Paper 1>SAMPLE QUESTION PAPER 1>Q 11

Why is anode called oxidation electrode, whereas cathode is called reduction electrode ?