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प्रश्न
Classify the following solid:
Pb
विकल्प
Molecular solid
Ionic solid
Covalent solid
Metallic solid
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उत्तर
Metallic solid
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संबंधित प्रश्न
The major binding force in diamond is_______________ .
(a) Covalent bond
(b) Ionic bond
(c) Metallic bond
(d) Co-ordinate covalent bond
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?
Classify the following solids into different types:
a. Ammonium phosphate
b. Brass
c. S8 molecule
d. Diamond
Distinguish between crystalline solids and amorsphous solids.
Classify the following molecular solids into different types:
- HCl
- CO2
- Solid ice
- SO2
How are the crystalline solids classified?
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?
Sodium crystallizes in bcc structure. If the edge length of unit cell is 4.3 × 10-8 cm, the radius of Na atom is ______.
A compound crystallizes in bcc structure. What is unit cell edge length if diameter of its atom is 120 pm?
Graphite and diamond are ____________.
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
Solid CO2 is an example of ____________.
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°
Classify the following solid.
Brass
Classify the following solid.
Diamond
Classify the following solid.
NaCl
If NaCl is doped with 10−2 mol percentage of strontium chloride, what is the concentration of cation vacancy?
Select the INCORRECT match:
Which of the following is an example of molecular solid?
Fullerene is an example of ____________.
Lithium crystallizes into body centered cubic structure. What is the radius of lithium if edge length of it's unit cell is 351 pm?
Which among the following is an example of network solid?
Order of increasing melting points among H2O(s), C(s), CS2 and Sn is ____________.
Which among the following is an example of non-polar molecule?
London forces are present in ____________.
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?
Which one of the following forms a molecular solid when solidified?
Which of the following is a network solid?
Iodine molecules are held in the crystals lattice by ______.
How many chloride ions are surrounding sodium ions in sodium chloride crystal?
Who introduced the term covalent bond?
Which of the following exists as covalent crystals in the solid state?
Calculate the angle at which first order reflection will occurs in an X-ray spectrometer when x ~ rays of wavelength \[\ce{1.54 \overset{\circ}{A}}\] are diffracted by the atoms of a crystal given that inter planer distance is \[\ce{0.04 \overset{\circ}{A}}\]
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?
Which of the following is not correct?
Mention the res of the following solid:
Ice
What are intermolecular forces of attraction involved in molecular crystals?
