Advertisements
Advertisements
Question
Answer the following in one or two sentences.
A solid is hard, brittle and electrically nonconductor. Its melt conducts electricity. What type of solid is it?
Advertisements
Solution
Ionic solids are hard and brittle. They are nonconductors of electricity in solid-state. However, they are good conductors when melted. Hence, the given solid is an ionic solid.
APPEARS IN
RELATED QUESTIONS
The major binding force in diamond is_______________ .
(a) Covalent bond
(b) Ionic bond
(c) Metallic bond
(d) Co-ordinate covalent bond
What is the covalency of nitrogen in N2O5?
Give an example each of a molecular solid and an ionic solid.
Classify the following solids into different types:
a. Ammonium phosphate
b. Brass
c. S8 molecule
d. Diamond
Classify the following molecular solids into different types:
- HCl
- CO2
- Solid ice
- SO2
Account for the following :
o-nitrophenol is more steam volatile than p-nitrophenol.
How are the crystalline solids classified?
Answer the following in brief.
Distinguish between ionic solids and molecular solids
A compound is made up of two elements X and Y and crystallizes in bcc structure. Atoms of X are present at the corners of the cube. Atoms of Y are present at the centre of the cube. The formula of the compound is ______.
An ionic compound AxBy crystallizes in fcc type crystal structure with B ions at the centre of each face and A ion occupying corners of the cube. the correct formula of AxBy is
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 ______.
Classify the following solid.
Diamond
____________ is an example of molecular crystal.
Dry ice is an example of ____________.
Fullerene is an example of ____________.
Which among the following is NOT a polar molecular solid?
Which among the following is an example of network solid?
What type of interaction hold the molecules together in a polar molecular solid?
The compound, found in nature in gas phase but ionic in solid state is ____________.
An example of a covalent crystalline solid is ____________.
Which of the following exists as covalent crystals in the solid state?
Which one of the following forms a molecular solid when solidified?
Which of the following cannot be regarded as molecular solid?
(i) SiC (Silicon carbide)
(ii) AlN
(iii) Diamond
(iv) I2
The covalent bond length is the shortest in which one of the following bonds?
Which of the following molecules is non-polar in nature?
Which of the following is not correct?
Graphite is a ______.
Quartz is which type of crystal?
