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The coagulation value of the electrolytes AlCl₃ and NaCl for As₂S₃ solution are 0.093 and 52 respectively. How many times AlCl₃ has greater coagulating power than NaCl ?

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Important Questions on Surface Chemistry

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

The correct decreasing order of coagulation power for

{As}_{2} S_{3}

sols is

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

Which of the following electrolytes will have maximum coagulating value for

AgI / {Ag}^{+}

sol?

HARD

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

State Hardy - Schulze rule.

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

The coagulating power of electrolytes having ions

{Na}^{+}

{Al}^{3 +}

and

{Ba}^{2 +}

for arsenic sulphide sol increases in the order,

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

As per Hardy-Schulze formulation, the flocculation values of the following for ferric hydroxide sol are in the order:

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

Among the electrolytes

{Na}_{2} {SO}_{4}, {CaCl}_{2}, {Al}_{2} {({SO}_{4})}_{3}

and

{NH}_{4} Cl

the most effective coagulating agent for

{Sb}_{2} S_{3}

sol is

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

For the coagulation of a negative sol, the species below, that has the highest flocculating power is:

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

The most effective coagulating agent among the options for

{Sb}_{2} S_{3}

sol is

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

In the coagulation of a positive sol, the flocculating power of the ions

{PO}_{4}^{3 -}, {SO}_{4}^{2 -}

and

{Cl}^{-}

decreases in the order

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

Among the following, the ion which will be more effective for flocculation of

Fe (OH)_{3}

solution is

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

For coagulation of 50 mL of a sol, 10 mL of 0.5M Cl^-ion solution is required. What is the coagulating value of ${Cl}^{-}$ ion solution (Nearest integer)

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

For coagulation of arsenious sulphide sol, which of the following salt solutions will be most effective?

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

Which of the following is the CORRECT increasing order of coagulating power of electrolytes required to precipitate a negatively charged

{As}_{2} S_{3}

colloid ?

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

Which of the following electrolytes requires maximum concentration to cause coagulation of

{As}_{2} S_{3}

sol?

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of

{BaCl}_{2}, {AlCl}_{3}

and

NaCl

required to coagulate the given colloid is in the order

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

Hardening of leather in tanning industry is based on

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

The trend in the colligative properties for the same concentration of

{BaCl}_{2}, {MgCl}_{2}

and

NaCl,

respectively, is

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

Which of the following has the highest coagulating power for

{As}_{2} S_{3}

colloid?

MEDIUM

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

The correct option among the following is.

EASY

Chemistry>Physical Chemistry>Surface Chemistry>Properties of Colloidal Solutions

The coagulation values in millimoles per litre of the electrolytes used for the coagulation of

A s_{2} S_{3}

are given below,

I .

(N a C l) = 52

II .

(B a C l_{2}) = 0.69

III .

(M g S O_{4}) = 0.22

The correct order of their coagulating power is

The coagulation value of the electrolytes AlCl3 and NaCl for As2S3 solution are 0.093 and 52 respectively. How many times AlCl3 has greater coagulating power than NaCl ?

Important Questions on Surface Chemistry

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The coagulation value of the electrolytes AlCl₃ and NaCl for As₂S₃ solution are 0.093 and 52 respectively. How many times AlCl₃ has greater coagulating power than NaCl ?