Which pentafluorides cannot be formed ?...

Which pentafluorides cannot be formed ?

A

`He^2`

B

`He^`

C

`He`

D

`He_(2)`

Text Solution

Verified by Experts

The correct Answer is:

C

Promotional Banner

Promotional Banner

Topper's Solved these Questions

GROUP 17 ELEMNTS
MODERN PUBLICATION|Exercise EXCERCISE|128 Videos
HALOALKANES AND HALOARENES
MODERN PUBLICATION|Exercise EXCERCISE|200 Videos

MODERN PUBLICATION-GROUP 18 ELEMENTS-EXERCISE

Give the structure of XeF(6) .
Text Solution
|
Hybridisation of Xe in XeF4, is
Text Solution
|
Which pentafluorides cannot be formed ?
Text Solution
|
Which is the strongest base among the following
Text Solution
|
XeOF(4)
Text Solution
|
In XeF(2) , xeF(4) and XeF(6) the number of lone pairs and Xe is respe...
Text Solution
|
Argon was discovered by:
Text Solution
|
Which of the following noble gases is the least polarisable ?
Text Solution
|
Which of the following noble gases is abundant in air ?
Text Solution
|
Which of the following noble gases is abundant in air ?
Text Solution
|
Noble gases are:
Text Solution
|
Give the structure of XeF(6) .
Text Solution
|
Which one of the following is not present in RNA ?
Text Solution
|
Helium is used in gas ballons instead of hydrogen because :
Text Solution
|
The first viral disease detected in human being was :
Text Solution
|
Xenon best reacts with :
Text Solution
|
Which of the following is not known:
Text Solution
|
What do the sea divers use ?
Text Solution
|
in XeO3 Xe is:
Text Solution
|
The ionisation potential of hydrogen atom is 13.6 eV than that of He^+...
Text Solution
|