Halogens exist in -1,+ text 1,+3,+5 and +7 oxidation states. The halogen that exists only in -1 state is

Question

Halogens exist in -1,+ text 1,+3,+5 and +7 oxidation states. The halogen that exists only in -1 state is (A)  F  (B)  Cl  (C)  Br  (D)  I

Tardigrade Admin · Accepted Answer

Fluorine atom has no d-orbitals in its valence shell, therefore cannot expand its octet and thus, does not exhibit variable oxidation states. Being the most electronegative, it exhibits only -1 oxidation state.

Q. Halogens exist in $- 1, + 1, + 3, + 5$ and +7 oxidation states. The halogen that exists only in $- 1$ state is

$F$

$Cl$

$B r$

$I$

$A t$

Fluorine atom has no d-orbitals in its valence shell, therefore cannot expand its octet and thus, does not exhibit variable oxidation states. Being the most electronegative, it exhibits only -1 oxidation state.

Q. Halogens exist in −1,+1,+3,+5 and +7 oxidation states. The halogen that exists only in −1 state is

F

Cl

Br

I

At

Fluorine atom has no d-orbitals in its valence shell, therefore cannot expand its octet and thus, does not exhibit variable oxidation states. Being the most electronegative, it exhibits only -1 oxidation state.

Q. Halogens exist in $- 1, + 1, + 3, + 5$ and +7 oxidation states. The halogen that exists only in $- 1$ state is

$F$

$Cl$

$B r$

$I$

$A t$