p-Block Elements - 17 (Noble Gases)

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Q1. The number of lone pair of electrons present on Xe in XeF2 is *

1 point

Q2. Hybridization and structure of XeF4 is *

1 point

sp3d2

sp3

sp3d3

sp3d

Q3. Number of lone pairs of electrons on Xe atoms XeF2, XeF4 and XeF6 molecules are respectively *

1 point

2, 3, 0

2, 1, 3

3, 2, 1

1, 2, 3

Q4. Which one of the following is correct pair with respect to molecular formula of xenon compound and hybridization state of Xenon in it? *

1 point

XeF2, sp3d

XeF4, sp3

XeF4, sp2

XeF2, sp

Q5. The geometry of XeF6 is *

1 point

Distorted octahedral

See-saw shaped

Linear

Square pyramidal

Q6. Which has trigonal bipyramidal shape ? *

1 point

XeO3

XeOF2

XeO3F2

XeOF4

Q7. Noble gases are used in discharge tubes to gives different colours. Reddish orange glow is due to *

1 point

Q8. Sea divers go deep in the sea water with a mixture of which of the following gases *

1 point

O2 and He

O2 and CO2

CO2 and Ar

O2 and Ar

Q9. Which of the following is the life saving mixture for an asthma patient ? *

1 point

Mixture of neon and oxygen

Mixture of helium and oxygen

Mixture of xenon and nitrogen

Mixture of argon and oxygen

Q10. Which of the following element has the property of diffusing through most commonly used laboratory materials such as rubber, glass or plastics *

1 point

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