Question

Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species?

Solution

Correct option is

O < S < F < Cl   

 

The correct order of electron gain enthalpy is

                    O < S < F < Cl   

Element                                          O          S          F          Cl

Electron gain enthalpy (in eV)     1.48     2.07      3.45      3.61.

SIMILAR QUESTIONS

Q1

The set representing the correct order of ionic radius is

Q2

The pair of elements having approximately equal ionisation potential is

Q3

Which is not the correct order for the stated property?

Q4

The correct order of ionisation energy of C, N, O, F is

Q5

The electron affinity values (in kg mol–1) of three halogens XY and Z are respectively –349, –333 and –325. Then XY and Z respectively, are

Q6

Which of the following has the highest second ionisation energy?

Q7

The electronic configuration of the element with maximum electron affinity is

Q8

The first ionisation energy of oxygen is less than that of nitrogen. Which of the following is the correct reason for this observation?

Q9

The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizing power of the cationic species, K+, Ca2+, Mg2+, Be2+

Q10

Which is likely to show inert pair effect?