1 |
A clathrate may be defined as a |
Cage compound
Liquid crystal
Mixture
Solid solution
|
2 |
Which of the following fluorides of xenon in impossible? |
XeF<sub>2</sub>
XeF<sub>3</sub>
XeF<sub>4</sub>
XeF<sub>6</sub>
|
3 |
The spectrum of helium is expected to be similar to that of |
H
Li<sup>+</sup>
Na
He<sup>+</sup>
|
4 |
The last orbit of argon would have electrons |
8
18
2
6
|
5 |
Which of the following has greatest reducing power? |
HI
Hbr
HCI
HI
|
6 |
Which of the following belongs to the halogen family? |
Francium
Polonium
Radium
Astatine
|
7 |
Fluorine does not show positive oxidation states due to the absence of |
d-orbitals
s-orbitals
p-orbitals
None
|
8 |
Which one of the halogen acid is a liquid? |
HF
HCI
HBr
HI
|