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Select the correct statement (s)....

Select the correct statement `(s)`.

A

On Mulliken scale, the average of `IP` and `EA` (in `eV "atom"^(-1)`) is known as `EN`.

B

The maximum `EN` is shown by `Cl`.

C

`H, P` and `Te` have similar value of `EN`.

D

`H, S` and `Te` have similar value of `EN`.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, we need to evaluate each of the provided statements regarding electronegativity and determine which ones are correct. ### Step-by-Step Solution: 1. **Evaluate the First Statement:** - The statement claims that on the Mulliken scale, the average of ionization potential and electron affinity is known as electronegativity. - **Analysis:** This is correct. The Mulliken scale defines electronegativity as the average of the ionization energy and electron affinity of an element. - **Conclusion:** The first statement is **correct**. 2. **Evaluate the Second Statement:** - The statement claims that the maximum electronegativity is shown by chlorine. - **Analysis:** This is incorrect. The element with the highest electronegativity is fluorine, not chlorine. Fluorine has an electronegativity value of 4.0, which is the highest among all elements. - **Conclusion:** The second statement is **incorrect**. 3. **Evaluate the Third Statement:** - The statement claims that hydrogen, phosphorus, and tellurium have similar values of electronegativity. - **Analysis:** The electronegativity values are as follows: - Hydrogen: 2.1 - Phosphorus: 2.19 - Tellurium: 2.1 - These values are indeed quite close, indicating that they have similar electronegativity. - **Conclusion:** The third statement is **correct**. 4. **Evaluate the Fourth Statement:** - The statement claims that hydrogen, sulfur, and tellurium have similar values of electronegativity. - **Analysis:** The electronegativity values are: - Hydrogen: 2.1 - Sulfur: 2.58 - Tellurium: 2.1 - The value for sulfur is significantly higher than those of hydrogen and tellurium, indicating that they do not have similar values. - **Conclusion:** The fourth statement is **incorrect**. ### Final Answer: The correct statements are **1 and 3**.
To solve the question, we need to evaluate each of the provided statements regarding electronegativity and determine which ones are correct. ### Step-by-Step Solution: 1. **Evaluate the First Statement:** - The statement claims that on the Mulliken scale, the average of ionization potential and electron affinity is known as electronegativity. - **Analysis:** This is correct. The Mulliken scale defines electronegativity as the average of the ionization energy and electron affinity of an element. - **Conclusion:** The first statement is **correct**. ...
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