Trying to find the right answer to this..

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

'Stability of a crystal is reflected in the magnitude of its melting points. Comment. Collect melting points of solid water, ethyl alcohol, diethyl ether and methane from a data book. What can you say about the inter molecular forces between these molecules?

431 Views

Short Answer Type

112.

How will you distinguish between the following pairs of terms:
Hexagonal close-packing and cubic close-packing?

176 Views

113.

How will you distinguish between the following pairs of terms:
Crystal lattice and unit cell?

177 Views

114.

How will you distinguish between the following pairs of terms:
Tetrahedral void and octahedral void?

337 Views

115. How many lattice points are there in one unit cell of each of the following lattice?
(i) face centered cubic
(ii) face centered tetragonal
(iii) body centered.

197 Views

116.

Explain the basis of similarities and differences between metallic and ionic crystals.

204 Views

117.
Explain Ionic solids are hard and brittle.

In ionic solids, constituent particles are held together with strong electrostatic force of attraction along with their fixed position. The fixed position of ions and strong electrostatic force of attraction make ionic solids hard and brittle.

319 Views