Which of the following is an electrically preparedsemipermeable membrane ?a)Calcium phosphateb)Ferrous ferriycanidec)Copper ferrocyanided)Potassium ferrocyanideCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

Semi permeable means, It is a membrane which permits the solvent molecules but not solute molecules to pass through it from a dilute solution to concentrated solution. Example: A film of gelatinous precipitate of cupric ferrocyanide, Cu[Fe(CN)6]

Answer

Copper Ferrocyanide acts as a inorganic precipate because it is believed to contain pores large enough for the small molecules of water to get through but too small to allow the larger molecules of sugar to pass.

Answer

< b='' />Explanation:

A semipermeable membrane is a type of membrane that allows certain substances to pass through while blocking others. In the context of electricity, an electrically prepared semipermeable membrane refers to a membrane that is specifically designed to facilitate the movement of ions or charged particles.

Among the given options, the correct answer is option 'C' - Copper ferrocyanide. Copper ferrocyanide, also known as copper(II) hexacyanoferrate(II), is an example of an electrically prepared semipermeable membrane.

< b='' />Key Points:

1. Electrically prepared semipermeable membrane: A membrane that is designed to allow the passage of ions or charged particles.

2. Copper ferrocyanide: Also known as copper(II) hexacyanoferrate(II), it is an example of an electrically prepared semipermeable membrane.

3. Calcium phosphate: Calcium phosphate is not an electrically prepared semipermeable membrane. It is a compound commonly found in bones and teeth.

4. Ferrous ferricyanide: Ferrous ferricyanide, also known as Prussian blue, is not an electrically prepared semipermeable membrane. It is a pigment used in various applications, such as dyeing and printing.

5. Potassium ferrocyanide: Potassium ferrocyanide is not an electrically prepared semipermeable membrane. It is a compound used in the production of various chemicals, including dyes and pigments.

< b='' />Conclusion:

Among the given options, the only electrically prepared semipermeable membrane is Copper ferrocyanide. The other options, such as Calcium phosphate, Ferrous ferricyanide, and Potassium ferrocyanide, do not exhibit the characteristics of an electrically prepared semipermeable membrane.

Answer

C

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