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Introduction to Noble Gases

How many elec...

Question

How many electron pairs - bonding included - does the central noble gas atom have in xenon hexafluoride?

A

Four

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B

Five

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C

Six

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D

Seven

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Solution

The correct option is D
Seven

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Similar questions

Q. Xenon hexafluoride reacts with silica. How many orbitals are involved in the hybridisation of the xenon compound formed?

Q. How many bonding pairs and lone pairs surround the central atom in the

I_{3}^{-}

Q. Draw the structure of xenon hexafluoride

(X e F_{6})

molecule and state the hybridisation of the central atom.

Number of bond pairs and lone pairs present respectively on the central atom of xenon difluoride are

Q. By the following method you can predict the geometrical shape of species with only one central atom, without first drawing the Lewis structure :
Total number of electron pairs = (number of valence electrons

\pm

electrons (for ionic) charge)/2
Number of bond electron pairs = number of atoms - 1
Number of electron pairs around central atom = total number of electron pairs - 3 [number terminal atoms (except H)]
Number lone pair = (number of central electron pairs - number of bond pairs)

How many of the following have trigonal bipyramidal shape based on this method?

(a) P C l_{5} (b) N H_{3} (c) H_{2} O

(d) {C l O_{3}}^{-} (e) {I C l_{4}}^{-}

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