Ionic Equlibrium Test

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Ionic Equlibrium Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is non-electrolyte

A
NaCl

B
CaCl₂

C
C₁₂H₂₂O₁₁

D
CH₃COOH

Solution

C₁₂H₂₂O₁₁ is a sugar and non-electrolyte.
Question 2
1 / -0

Ammonium hydroxide is a

A
Strong electrolyte

B
Weak electrolyte

C
Both under different conditions

D
Non-electrolyte

Solution

It is a weak electrolyte since it is slightly ionized.
Question 3
1 / -0

Ammonium hydroxide is a weak base because

A
It has low vapour pressure

B
It is only slightly ionized

C
It is not a hydroxide of any metal

D
It has low density

Solution

It is a weak electrolyte since slightly ionized.
Question 4
1 / -0

Electrolytes when dissolved in water dissociate into their constituent ions. The degree of dissociation of an electrolyte increases with

A
Increasing concentration of the electrolyte

B
Decreasing concentration of the electrolyte

C
Decreasing temperature

D
Presence of a substance yielding a common ion

Solution

Because the degree of dissociation is inversely proportional to the concentration of the electrolyte.
Question 5
1 / -0

An electrolyte

A
Gives complex ions in solution

B
Dissolves in water to give ions

C
Is ionized in the solid state

D
Generates ions on passing electric current

Solution

Electrolytes are those substances which on dissolving in water give ions.
Question 6
1 / -0

Molten sodium chloride conducts electricity due to the presence of

A
Free electrons

B
Free ions

C
Free molecules

D
Atoms of sodium and chlorine

Solution

As NaCl ionises completely to yield free ions.
Question 7
1 / -0

Which one is strongest electrolyte in the following

A
NaCl

B
CH₃COOH

C
NH₄OH

D
C₆H₁₂O₆

Solution

NaCl , being a salt, is a strong electrolyte.
Question 8
1 / -0

The equivalent conductance at infinite dilution of a weak acid such as HF

A
Can be determined by measurement of very dilute HF solution

B
Can be determined by extrapolation of measurements on dilute solutions of HCl, HBr and HI

C
Can best be determined from measurements on dilute solutions of NaF , NaCl and HCl

D
Is an undefined quantity

Solution

We can determine by measurement of very dilute HF solutions.

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Re-Attempt Weekly Quiz Competition

Ionic Equlibrium Test - 1

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Ionic Equlibrium Test - 1

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Question 1

NaCl

CaCl2

C12H22O11

CH3COOH

Solution

Question 2

Strong electrolyte

Weak electrolyte

Both under different conditions

Non-electrolyte

Solution

Question 3

It has low vapour pressure

It is only slightly ionized

It is not a hydroxide of any metal

It has low density

Solution

Question 4

Increasing concentration of the electrolyte

Decreasing concentration of the electrolyte

Decreasing temperature

Presence of a substance yielding a common ion

Solution

Question 5

Gives complex ions in solution

Dissolves in water to give ions

Is ionized in the solid state

Generates ions on passing electric current

Solution

Question 6

Free electrons

Free ions

Free molecules

Atoms of sodium and chlorine

Solution

Question 7

NaCl

CH3COOH

NH4OH

C6H12O6

Solution

Question 8

Can be determined by measurement of very dilute HF solution

Can be determined by extrapolation of measurements on dilute solutions of HCl, HBr and HI

Can best be determined from measurements on dilute solutions of NaF , NaCl and HCl

Is an undefined quantity

Solution

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CaCl₂

C₁₂H₂₂O₁₁

CH₃COOH

CH₃COOH

NH₄OH

C₆H₁₂O₆