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प्रश्न
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?
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उत्तर
The given properties are the properties of a covalent or network solid. Therefore, the given solid is a covalent or network solid. Examples of such solids include diamond (C) and quartz (SiO2).
संबंधित प्रश्न
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 between metallic and ionic crystals.
Explain ionic solids are hard and brittle.
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
Sodium crystallizes in bcc structure. If the edge length of unit cell is 4.3 × 10-8 cm, the radius of Na atom is ______.
Select the INCORRECT match:
Which of the following is TRUE about molecular solids?
Dry ice is an example of ____________.
Ionization enthalpy is lowest in ____________.
Silicon carbide is an example of ____________.
London forces are present in ____________.
MgO has the structure of NaCl. The coordination number of the ions in MgO is ____________.
In graphite electrons are ____________.
Which of the following cannot be regarded as molecular solid?
(i) SiC (Silicon carbide)
(ii) AlN
(iii) Diamond
(iv) I2
Which of the following molecules is non-polar in nature?
Among the following which is the best description of water in the solid phase?
