Question 1
Choose the INCORRECT statement.
◦ HI is a strong acid
◦ HF is a strong acid
◦ HCl is a strong acid
◦ HBr is a strong acid
◦ HF will etch glass
Question 2
Choose the INCORRECT statement.
◦ Fluorine adopts the -1 oxidation state when it forms compounds.
◦ In binary compounds with metals, the oxidation state of halogens is -1.
◦ Halogen ions commonly exhibit a charge of +1.
◦ Iodine can have oxidation states of +1, +3, +5 and +7 in compounds where iodine is bonded to oxygen and/or fluorine.
◦ HClO is hypochlorous acid.