Advertisements
Advertisements
प्रश्न
Iodine molecules are held in the crystals lattice by ______.
विकल्प
london forces
dipole-dipole interactions
covalent bonds
coulombic forces
Advertisements
उत्तर
Iodine molecules are held in the crystals lattice by london forces.
Explanation:
| Type of solid | Con- stituent particles | Bonding/ attractive forces | Examples | Physical nature | Electrical conduc- tivity | Melting point |
| Molecular solids (non-polar) |
Mol- ecules | Dispersion or London forces |
Ar, CCI4, H2,I2, CO2 |
Soft | Insulator | Very low |
APPEARS IN
संबंधित प्रश्न
What is the covalency of nitrogen in N2O5?
Solid A is a very hard electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?
Ionic solids conduct electricity in molten state but not in solid state. Explain
Explain ionic solids are hard and brittle.
Copper crystallises into a fcc lattice with edge length 3.61 × 10−8 cm. Show that the calculated density is in agreement with its measured value of 8.92 g cm−3.
An ionic compound crystallises in FCC type structure with ‘A’ ions at the centre of each face and ‘B’ ions occupying corners of the cube. The formula of compound is _______.
Classify the following solids into different types:
a. Ammonium phosphate
b. Brass
c. S8 molecule
d. Diamond
The ionic radii of A+ and B− are 0.98 × 10−10 m and 1.81 × 10−10 m. The coordination number of each ion in AB is ______.
Nature of binding forces present in carbon dioxide molecules in solid state are ____________.
Order of increasing melting points among H2O(s), C(s), CS2 and Sn is ____________.
What type of interaction hold the molecules together in a polar molecular solid?
The hardest substance among the following is:
Among solids, the highest melting point is exhibited by ____________.
Graphite cannot be classified as ______.
NaCl type crystal (with coordination no. 6 : 6) can be converted into CsCl type crystal (with coordination no. 8 : 8) by applying ____________.
How many chloride ions are surrounding sodium ions in sodium chloride crystal?
The covalent bond length is the shortest in which one of the following bonds?
Among the following which is the best description of water in the solid phase?
Graphite is a ______.
