Which oxofluoride of xenon is octahedral ?

Give examples of two reactions, one in which xenon fluoride acts as fluoride ion donor and the other in which it acts as fluoride ion acceptor.

A crystalline compound is made of elements X and Y. Y atoms form hexagonal close-packed (hcp) structure with X atoms occupying half of the octahedral voids in the structure. Determine the empirical formula of the compound.

In which of the following arrangements octahedral voids are formed-

What is the C.N. of octahedral void ?

Explain the following : (1) Nickel does not form low spin octahedral complexes.

What is crystal field splitting? How do the d-orbitals split under the influence of an octahedral field?

Atomic number of Mn, Fe and Co an dNi are 25, 26 27 and 28 respectively. Which of the following outer orbital octahedral complexes have same number of unpaired electrons -

In sapphire, oxide ions are arranged in hexagonal close packing and aluminium ions occupy two-thirds of the octahedral voids. What is the formula of sapphire?

What is the coordination number of the metal ion in an octahedral complex ? Why does NH_(3) take part in complex formation but not NH_(4)^(+) ?

Ferric oxide crystallises in a hexagonal close-packed array of oxide ions with two out of every three octahedral holes occupied by ferric ions. Derive the formula of the ferric oxide.