Choose the incorrect statement among the following regarding noble gases:
1. | Noble gases have weak dispersion forces. |
2. | Noble gases have large positive values of electron gain enthalpy. |
3. | Noble gases are sparingly soluble in water. |
4. | Noble gases have very high melting and boiling points. |
Match the Xenon compounds in Column I with their structure in Column II and assign the correct code:
Column I | Column II | ||
(a) | XeF4 | (i) | Pyramidal |
(b) | XeF6 | (ii) | Square planar |
(c) | XeOF4 | (iii) | Distorted octahedral |
(d) | XeO3 | (iv) | Square pyramidal |
Code:
(a) | (b) | (c) | (d) | |
1. | (iii) | (iv) | (i) | (ii) |
2. | (i) | (ii) | (iii) | (iv) |
3. | (ii) | (iii) | (iv) | (i) |
4. | (ii) | (iii) | (i) | (iv) |
Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct option.
Column I Column II
A. XeF6 1. Distorted octahedral
B. XeO3 2. Square planar
C. XeOF4 3. Pyramidal
D. XeF4 4. Square pyramidal
Codes
A B C D
(a) 1 2 4 3
(b) 4 3 1 2
(c) 4 1 2 3
(d) 1 3 4 2