First slide

Chemical properties

Question

Identify correct statements from the following
A) ${MnF}_{7}$ cannot exist
B) ${MnO}_{3} F$ cannot exist
C) $V_{2} O_{5}$ is amphoteric with more basic character
D) ${CrO}_{3}$ is ionic

Moderate

A

A, C, D only
B

A only
C

A, B, C, D
D

C only

Solution

A) ${MnF}_{7}$ . . . . does not exist
B) ${MnO}_{3} F_{}$ . . . . can exist…oxygen has the ability to form pi bonds
C) $V_{2} O_{5}$ . . . . amphoteric (more acidic)
D) ${CrO}_{3}$ . . . . covalent and acidic(group number oxidation state)

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