The first ionization potential (IP) of the elements Na , Mg , Si , P , Cl and Ar are 5.14,7.65,8.15 10.49,12.97 and 15.76 eV, respectively. The IP (in eV) of K is closest to :

Question

The first ionization potential (IP) of the elements Na , Mg , Si , P , Cl and Ar are 5.14,7.65,8.15 10.49,12.97 and 15.76 eV, respectively. The IP (in eV) of K is closest to : (A) 13.3 (B) 18.2 (C) 4.3 (D) 6.4

Tardigrade Admin · Accepted Answer

The first ionisation potential of K is less than Na ∴ The first ionization potential of K is closest to 4.3

Q. The first ionization potential (IP) of the elements $N a, M g, S i, P, Cl$ and $A r$ are $5.14, 7.65, 8.15$ $10.49, 12.97$ and $15.76 e V$ , respectively. The IP (in eV) of $K$ is closest to :

13.3

18.2

4.3

6.4

The first ionisation potential of $K$ is less than $N a$
$∴$ The first ionization potential of $K$ is closest to $4.3$

Q. The first ionization potential (IP) of the elements Na,Mg,Si,P,Cl and Ar are 5.14,7.65,8.15 10.49,12.97 and 15.76eV, respectively. The IP (in eV) of K is closest to :

13.3

18.2

4.3

6.4

The first ionisation potential of K is less than Na ∴ The first ionization potential of K is closest to 4.3

Q. The first ionization potential (IP) of the elements $N a, M g, S i, P, Cl$ and $A r$ are $5.14, 7.65, 8.15$ $10.49, 12.97$ and $15.76 e V$ , respectively. The IP (in eV) of $K$ is closest to :

The first ionisation potential of $K$ is less than $N a$
$∴$ The first ionization potential of $K$ is closest to $4.3$