Advertisements
Advertisements
Question
Classify the following solids into different types:
a. Ammonium phosphate
b. Brass
c. S8 molecule
d. Diamond
Solution
a. Ammonium phosphate - Ionic solid
b. Brass - Metallic solid
c. S8 molecule - Molecular solid
d. Diamond - Covalent or network solid
APPEARS IN
RELATED QUESTIONS
What is the covalency of nitrogen in N2O5?
Give an example each of a molecular solid and an ionic solid.
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
What type of solids are electrical conductors, malleable and ductile?
Explain The basis of similarities and differences between metallic and ionic crystals.
Explain Ionic solids are hard and brittle.
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 _______.
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 ______.
Classify the following solid:
Pb
A compound crystallizes in bcc structure. What is unit cell edge length if diameter of its atom is 120 pm?
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
Assertion: monoclinic sulphur is an example of a monoclinic crystal system
Reason: for a monoclinic system, a ≠ b ≠ c and α = γ = 90°, β ≠ 90°
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
Differentiate crystalline solids and amorphous solids.
Classify the following solid.
Brass
Classify the following solid.
Diamond
Classify the following solid.
Iodine
Select the INCORRECT match:
____________ is an example of molecular crystal.
Fullerene is an example of ____________.
Which among the following is not true for crystalline solid?
Brass is an example of ____________.
What type of interaction hold the molecules together in a polar molecular solid?
The hardest substance among the following is:
An AB2 type structure is found in ____________.
The compound, found in nature in gas phase but ionic in solid state is ____________.
Solid CH4 is ____________.
An example of a covalent crystalline solid is ____________.
Which of the following exists as covalent crystals in the solid state?
The major binding force of diamond, silicon and quartz is ____________.
In graphite electrons are ____________.
Iodine molecules are held in the crystals lattice by ______.
How many chloride ions are surrounding sodium ions in sodium chloride crystal?
Why are liquids and gases categorised as fluids?
Inspite of long range order in the arrangement of particles why are the crystals usually not perfect?
A crystal with a ≠ b ≠ c and α = β = γ = 90° is
Who introduced the term covalent bond?
The major binding force in diamond, silicon and quartz is ______.
Which of the following molecules is non-polar in nature?
A reddish-pink substance on heating gives off a vapour which condenses on the sides of the test tube and the substance turns blue. If on cooling water is added to the residue it turns to original colour. The substance is ______.
Among the following which is the best description of water in the solid phase?
Graphite is a ______.
Mention the res of the following solid:
Ice
Mention the res of the following solid:
CO2
What are intermolecular forces of attraction involved in molecular crystals?
