Question

Identify the INCORRECT statement.

विकल्प

• The acid strength of the halogen oxoacids increases with the increasing oxidation state of halogen.

• All hydrides except H₂O possess reducing property which increases in the order H₂S < H₂Se < H₂Te.

• Oxygen has two allotropes O₂ and O₃ (ozone).

• Thermal stability of hydrogen halides increases in the order HF < HCI < HBr < HI.

Answer 1

Thermal stability of hydrogen halides increases in the order HF < HCI < HBr < HI.

Explanation:

Thermal stability of hydrogen halides decreases in the order HF > HCl > HBr > HI.