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50 ml of 1 M oxalic acid is shaken with 0.5 g wood charcoal. The final concentration of the solution after adsorption is 0.5 M. What is the amount of oxalic acid absorbed per gm of carbon?
  • a)
    3.15 g
  • b)
    3.45 g
  • c)
    6.30 g
  • d)
    None
Correct answer is option 'C'. Can you explain this answer?
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50 ml of 1 M oxalic acid is shaken with 0.5 g wood charcoal. The final...
Given:

Initial concentration of oxalic acid = 1 M
Volume of oxalic acid = 50 ml
Mass of wood charcoal = 0.5 g
Final concentration of oxalic acid = 0.5 M

To find: Amount of oxalic acid absorbed per gm of carbon

Solution:

1. Calculation of moles of oxalic acid initially present in the solution:

Number of moles = concentration x volume (in litres)

Initial number of moles = 1 x (50/1000) = 0.05

2. Calculation of moles of oxalic acid present in the solution after adsorption:

Final concentration = 0.5 M

Number of moles = concentration x volume (in litres)

Final number of moles = 0.5 x (50/1000) = 0.025

3. Calculation of moles of oxalic acid adsorbed by wood charcoal:

Moles of oxalic acid adsorbed = initial moles - final moles

Moles of oxalic acid adsorbed = 0.05 - 0.025 = 0.025

4. Calculation of amount of oxalic acid absorbed per gm of carbon:

Amount of oxalic acid adsorbed per gm of carbon = moles of oxalic acid adsorbed / mass of wood charcoal

Amount of oxalic acid adsorbed per gm of carbon = 0.025 / 0.5 = 0.05

Amount of oxalic acid absorbed per gm of carbon = 0.05 x 2 x 63.5 (Molar mass of carbon) = 6.35

Hence, the amount of oxalic acid absorbed per gm of carbon is 6.30 (approximately). Therefore, the correct option is (c).
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50 ml of 1 M oxalic acid is shaken with 0.5 g wood charcoal. The final...
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Read the passage given below and answer the following questions:Adsorption depends on the nature of the adsorbent. The rough solid surface has more number of pores and adsorb more number of gases than the smooth surface. Most common adsorbents are silica gel, activated charcoal. The extent of adsorption also depends on the surface area of solid. Specific surface area of an adsorbent is the surface area available for adsorption per gram of the adsorbent. The greater the surface area of the solid, the greater would be the adsoprtion. Charcoal is a more effective adsorbent than solid wood. Desorption is a process of removing an adsorbed substance from a surface on which it is absorbed.Physisorption is non-specific and any gas can be adsorbed. But the gases which are easily liquefiable (e.g., NH3, HCl, CO2) are adsorbed at a faster rate and to a large extent than the gases which are difficult to liquefy (e.g., H2, O2, N2). It depends on the critical temperature. Higher the critical temperature of a gas, more easily liquefiable it is and more is the rate of adsorption. Chemisorption is specific in nature. Therefore, only those gases can be adsorbed which are capable of forming chemical bonds with the adsorbent.The following questions are multiple choice questions. Choose the most appropriate answer:Q. At the same temperature and pressure, select the correct order of adsorption of the following gases on the same mass of charcoal.

Read the passage given below and answer the following questions:Adsorption depends on the nature of the adsorbent. The rough solid surface has more number of pores and adsorb more number of gases than the smooth surface. Most common adsorbents are silica gel, activated charcoal. The extent of adsorption also depends on the surface area of solid. Specific surface area of an adsorbent is the surface area available for adsorption per gram of the adsorbent. The greater the surface area of the solid, the greater would be the adsoprtion. Charcoal is a more effective adsorbent than solid wood. Desorption is a process of removing an adsorbed substance from a surface on which it is absorbed.Physisorption is non-specific and any gas can be adsorbed. But the gases which are easily liquefiable (e.g., NH3, HCl, CO2) are adsorbed at a faster rate and to a large extent than the gases which are difficult to liquefy (e.g., H2, O2, N2). It depends on the critical temperature. Higher the critical temperature of a gas, more easily liquefiable it is and more is the rate of adsorption. Chemisorption is specific in nature. Therefore, only those gases can be adsorbed which are capable of forming chemical bonds with the adsorbent.The following questions are multiple choice questions. Choose the most appropriate answer:Q. Select the correct statement regarding desoprtion.

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50 ml of 1 M oxalic acid is shaken with 0.5 g wood charcoal. The final concentration of the solution after adsorption is 0.5 M. What is the amount of oxalic acid absorbed per gm of carbon?a)3.15 gb)3.45 gc)6.30 gd)NoneCorrect answer is option 'C'. Can you explain this answer?
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50 ml of 1 M oxalic acid is shaken with 0.5 g wood charcoal. The final concentration of the solution after adsorption is 0.5 M. What is the amount of oxalic acid absorbed per gm of carbon?a)3.15 gb)3.45 gc)6.30 gd)NoneCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about 50 ml of 1 M oxalic acid is shaken with 0.5 g wood charcoal. The final concentration of the solution after adsorption is 0.5 M. What is the amount of oxalic acid absorbed per gm of carbon?a)3.15 gb)3.45 gc)6.30 gd)NoneCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 50 ml of 1 M oxalic acid is shaken with 0.5 g wood charcoal. The final concentration of the solution after adsorption is 0.5 M. What is the amount of oxalic acid absorbed per gm of carbon?a)3.15 gb)3.45 gc)6.30 gd)NoneCorrect answer is option 'C'. Can you explain this answer?.
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