What is the correct order of the first electr | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The electron gain enthalpy becomes less negative as we move down the group from $S$ to $Se$. However,oxygen $(O)$ has a very small size,which lead

Vedclass · Accepted Answer

$S > Se > O$

Vedclass · Answer

(B) The electron gain enthalpy becomes less negative as we move down the group from $S$ to $Se$. However,oxygen $(O)$ has a very small size,which leads to strong inter-electronic repulsions between the incoming electron and the electrons already present in the $2p$ subshell. Due to this,the energy released during the addition of an electron to $O$ is less than that for $S$. Therefore,the correct order of electron gain enthalpy (magnitude) is $S > Se > O$.

What is the correct order of the first electron gain enthalpy for $O, S,$ and $Se$?

Similar Questions

Determine whether the following statements are True $(T)$ or False $(F)$:
$1.$ $SO_2$ is converted to $SO_3$ in the production of sulfuric acid.
$2.$ Ziegler catalyst is used for the oxidation of $SO_2$ to $SO_3$.

Describe the manufacture of $H_2SO_4$ by the contact process.

The element which does not belong to group $15$ is

Which process is used for the manufacture of $H_2SO_4$?

Provide information about the allotropes of sulfur.

Vedclass Test Series

Exam Paper Generator

Online Exam Module