The volume of gases NH(3), CO(2) and CH(...

The volume of gases `NH_(3), CO_(2) and CH_(4)` adsorbed by one gram of charcoal at 298 K are in

`H_2 gt CH_4 gt CO_2 gt NH_3`

`CH_4 gt CO_2 gt NH_3 gt H_2`

`NH_3 gt CO_2 gt CH_4 gt H_2`

`CO_2 gt NH_3 gt CH_4 gt H_2`

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the volume of gases NH_(3) , CO_(2) and H_(2) adsorbed by one gram of characoal at 300 K are in order of :

The volume of gases H_(2), CH_(4), CO_(2) and NH_(3) adsorbed by 1 g of charcoal at 288K are in the order :

Adsorption is a surface phenomenon and it differs feom adsorption which occurs throughout the body of the substance which absorbs. In physisorption, the attractive forces are mainly van der Waals' forces while in chemisorption actual bonding occurs between the particles of adsorbent and adsorbente. Generally, easily liquefying gases are adsorbed more easily on the surface of a solid as compared to teh gases whihc are liquefied with difficult. Adsorption increases with the increases in pressure and decreases as the temperature is increases. The ease with which the gases H_(2),CH_(4),CO_(2)and NH_(3) are adsorbed on the surface of charcoal is :

(i) At 298 K the volume of NH_(3) adsorbed by 1 g of charcoal is higher than that of H_(2) under similar conditions. (ii) The movement of colloidal particles towards the oppositely charged electrodes on passing current is known as Brownian movement. If T for true and F for false then correct option is :

A sample of 16 g charcoal was brought into contact with CH_(4) gas contained in a vessel of 1 litre at 27^(@) C . The presses of gas was found to fall from 760 to 608 torr. The density of chacoal sample is 1.6 g//m^(3) . What is the volume of the CH_(4) gas adsorbed per gram of the adsorbent at 608 torr and 27^(@)C ?

The bond angles in molecules H_(2)O, NH_(3), CH_(4) and CO_(2) are in the order :

MODERN PUBLICATION-SURFACE CHEMISTRY-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (A. MULTIPLE CHOICE QUESTIONS WITH ONLY ONE CORRECT ANSWER)

Adsorption is a surface phenomenon and it differs feom adsorption whic...
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Which of the following characteristics is not correct for physical ads...
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The volume of gases NH(3), CO(2) and CH(4) adsorbed by one gram of cha...
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Adsorption is accompanied by :
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The enthalpy of physical adsorption is about
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The colloidal system in which the disperse phase and dispersion medium...
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Freshly prepared precipitates can be easily dispersed by shaking it wi...
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The presence of electric charge on colloidal particles is indicated by...
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The process of separation of colloids by passing through semi permeabl...
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Size of colloidal particles is
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An example of micelle is:
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Effective electrolyte to cause the flocculation of a negatively charge...
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Colloidal particles exhibit Tyndall effect due to
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Which of the following is most effective in causing the coagulation of...
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Soaps essentially form a colloidal solution in water and remove the gr...
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Which of the following is an example of associated colloid ?
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Which type of property is the Brownian movement of colloidal sol?
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When KI is added to silver nitrate solution, the sol formed may be wri...
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Out of the following, which reaction gives rise to a colloidal sol:
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Blue colour of water in sea is due to
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