Which of the following is more covalent?

Question

Which of the following is more covalent? (A) BeH 2 (B) MgH 2 (C) CaH 2 (D) All are ionic

Tardigrade Admin · Accepted Answer

According to Fajans' rule, smaller the cation, more is polarising power and more is the covalent character. So BeH 2 is the most covalent of the given species.

Q. Which of the following is more covalent?

$B e H_{2}$

$M g H_{2}$

$C a H_{2}$

All are ionic

According to Fajans' rule, smaller the cation, more is polarising power and more is the covalent character. So $B e H_{2}$ is the most covalent of the given species.

Q. Which of the following is more covalent?

BeH2​

MgH2​

CaH2​

All are ionic

According to Fajans' rule, smaller the cation, more is polarising power and more is the covalent character. So BeH2​ is the most covalent of the given species.

$B e H_{2}$

$M g H_{2}$

$C a H_{2}$

According to Fajans' rule, smaller the cation, more is polarising power and more is the covalent character. So $B e H_{2}$ is the most covalent of the given species.