The order of electron gain enthalpy (magnitude) of `O, S` and `Se` is:

The order of electron gain enthalpy (magnitude) of `O, S` and `Se` is:
A. `O gt S gt Se`
B. `S gt Se gt O`
C. `Se gt S gt O`
D. `S gt O gt Se`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - B
`O` has exceptionally smaller value of electron affinity (minimum in family) due to smaller atomic size than sulphur (weaker electron-electron repulsion is larger `3p`-subshell).

4 views Answered 2023-02-05 15:29

Related Questions

Knowing the electron gain enthalpy values for ` O to O^(-) " and " O to O^(2-) " as " -141 " kJ mol"^(-1) " and " 702 " kJ mol"^(-1)` respectively, ho

2 Answers 4 Views

Which of the followng noble gases has the highest positive electron gain enthalpy ?

2 Answers 9 Views

From the following data : Enthalpy of formation of `CH_(3)CN`=87.86 kJ/mol Enthalpy of formation of `C_(2)H_(6)=-` 83.68 kJ/mol Enthalpy of sublimatio

2 Answers 4 Views

Match the values of ionization energy and electron gain enthalpy listed in column I with characteristic(s) of elements listed in column II. `{:("Colum

2 Answers 5 Views

Which of the following will have the most negative electron gain enthalpy and which the least negative? `P, S, Cl, F`. Explain your answer.

2 Answers 8 Views

Which of the following is affected by the stable electron configuration of an atom? (a) Electronegativity (b) ionisation enthalpy (c ) Electron gain e

2 Answers 4 Views

`{:(A^(-) (g) rarr A^(2+)(g),,DeltaH = 1100KJ//mol),(A(g)rarrA^(2+)(g),,DeltaH = 1200 KJ//mol):}` Electron gain enthalpy of `A` is `P xx 10^(2) KJ//mo

2 Answers 6 Views

The correct order of electron gain enthalpy (most endothermic first and most exothermic last) is:

2 Answers 4 Views

Ionisation energy of `F^(-)` is `+320 mol^(-1)`. The electron gain enthalpy of fluorine atom would be

2 Answers 10 Views

If the electron gain enthalpy of S and Se are `-200` KJ `" mol"^(-1)` and `-195 KJ " mol"^(-1)` respectively. Wha is the electron gain enthalpy of O a

2 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)