Solutions Test

Result

Solutions Test - 44

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Weekly Quiz Competition

Question 1
4 / -1

Boiling point of an aqueous solution of 0.05m FeCl₃ is 100.087^o C; then, what will be the value of Van’t Hoff factor i ? (K_b = 0.513^o C – kg - mole^-1)

A
4

B
3.4

C
2.5

D
2.8
Question 2
4 / -1

Difference of boiling point and freezing point of an aqueous solution of glucose is 104^o C at 1 bar pressure; then what will be the molality of the solution ? (K_b = 0.513^o and K+” = 1.86^o C – kg - mole^-1)

A
2.373 m

B
1.05 m

C
2.151 m

D
1.68 m

Solution
Question 3
4 / -1

Difference of boiling point and freezing point of 0.2 m acetic acid prepared in benzene is 75.7^o C; then, state the value of Van’t Hoff factor i ? (For benzene, K_b = 2.65^oC – kg – mol^–1, K_f = 5.12^o C – kg – mol^{– 1}, T_b = 80^o C, T_f = 5.5^o C)

A
1.44

B
0.64

C
0.83

D
0.77

Solution
Question 4
4 / -1

Difference in boiling point and freezing point of 10 kg aqueous solution of urea is 100.2372^o C; then what quantity of urea dissolved in the solution ? (Kb = 0.513^o and K+” = 1.86^o C – kg - mole^-1)

A
59.64

B
38.946

C
51.65

D
40.5
Question 5
4 / -1

500 ml solution of HCl is prepared by dissolving 14.6 gm HCl in water. What will be the molarity of HCl in the solution ? (Molecular weight of HCl = 36.5 gm/mole )

A
0.4M

B
0.3M

C
0.8M

D
0.3M
Question 6
4 / -1

What would be the molality of the solution prepared by dissolving 60 gm NaOH in 1.5 kg water ? (Molecules weight of NaOH = 40 gm/mole)

A
0.5M

B
1.0M

C
0.8M

D
0.4M
Question 7
4 / -1

What would be the molarity of 3.0 N H₂SO₄ solution ?

A
6M

B
1.5M

C
3M

D
1M
Question 8
4 / -1

What quantity of NaOH is needed to prepare 1.2 m, 800 ml NaOH solution ?

A
3.84

B
60

C
42

D
38.4
Question 9
4 / -1

What would be the molarity and normality of solution prepared by dissolving 19.6 gm H₂SO₄ in dissolved water to prepare 800 ml solution ? (Molecular weight of H₂SO₄ is 98 gm/mole)

A
0.5 M, 0.25 N

B
0.25 M, 0.125 N

C
0,25 M, 0.5 N

D
0.125 M, 0.25 N
Question 10
4 / -1

What amount of H₂SO₄ required to prepare 2 litre of 0.5 N H₂SO₄ solution ? (Molecular weight of H₂SO₄ is 98 gm/mole)

A
98 gm

B
24.5 gm

C
49 gm

D
73.5 gm

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Re-Attempt Weekly Quiz Competition

Solutions Test - 44

Result

Solutions Test - 44

Score

-

Rank

-

SHARING IS CARING

Question 1

4

3.4

2.5

2.8

Question 2

2.373 m

1.05 m

2.151 m

1.68 m

Solution

Question 3

1.44

0.64

0.83

0.77

Solution

Question 4

59.64

38.946

51.65

40.5

Question 5

0.4M

0.3M

0.8M

0.3M

Question 6

0.5M

1.0M

0.8M

0.4M

Question 7

6M

1.5M

3M

1M

Question 8

3.84

60

42

38.4

Question 9

0.5 M, 0.25 N

0.25 M, 0.125 N

0,25 M, 0.5 N

0.125 M, 0.25 N

Question 10

98 gm

24.5 gm

49 gm

73.5 gm

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