what is the equivalent mass of IO4- when it is converted into I2 in acidic medium

Question

what is the equivalent mass of IO4-  when it is converted into I2 in acidic medium

Answer

First of all write down the equation of acidic medium then write down the equation  of IO4- to I2 then make the electrons equal on both sides,  cancel them and there u are.....  If u didn't understand  then look for Pradeep  if possible.....

Answer

eq. wt of IO4 - is = mol. wt of IO4-/n factor...n factor in this case is 7..and cal. the mol. wt of I04 -

Answer

Equivalent Mass of IO4- when converted into I2 in Acidic Medium:

When IO4- is converted into I2 in an acidic medium, the equivalent mass can be determined by understanding the chemical reaction and stoichiometry involved.

Chemical Reaction:
The reaction involves the reduction of IO4- to I2 in the presence of an acid (H+). The balanced equation for the reaction is as follows:

IO4- + 8H+ + 5e- → I2 + 4H2O

Step-by-Step Explanation:
To calculate the equivalent mass of IO4-, we need to consider the stoichiometry of the reaction and the number of electrons involved.

1. Determine the number of electrons transferred:
In the given reaction, 5 electrons are transferred from IO4- to form I2. This is because IO4- is reduced to I2, which involves a gain of electrons.

2. Calculate the molar mass of IO4-:
The molar mass of IO4- can be calculated by adding up the atomic masses of iodine (I), oxygen (O), and four oxygen atoms in IO4-.

3. Calculate the molar mass of I2:
The molar mass of I2 can be calculated by adding up the atomic masses of two iodine (I) atoms.

4. Determine the equivalent mass:
The equivalent mass is the molar mass divided by the number of electrons transferred. In this case, it is the molar mass of IO4- divided by 5.

5. Calculate the equivalent mass:
To find the equivalent mass, divide the molar mass of IO4- by 5.

Example Calculation:
Let's consider the molar mass of IO4- as 184 g/mol.

Equivalent mass = Molar mass of IO4- / Number of electrons transferred
= 184 g/mol / 5
= 36.8 g/equiv

Therefore, the equivalent mass of IO4- when converted into I2 in an acidic medium is 36.8 g/equiv.

Summary:
The equivalent mass of IO4- when converted into I2 in an acidic medium can be determined by considering the stoichiometry of the reaction and the number of electrons transferred. In this case, the molar mass of IO4- is divided by the number of electrons transferred (5) to obtain the equivalent mass. Following the given steps, the equivalent mass of IO4- is calculated to be 36.8 g/equiv.

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