Advertisements
Advertisements
प्रश्न
The major binding force in diamond is_______________ .
(a) Covalent bond
(b) Ionic bond
(c) Metallic bond
(d) Co-ordinate covalent bond
Advertisements
उत्तर
Covalent bond
APPEARS IN
संबंधित प्रश्न
What is the covalency of nitrogen in N2O5?
Give an example each of a molecular solid and an ionic solid.
Explain ionic solids are hard and brittle.
Copper crystallises into a fcc lattice with edge length 3.61 × 10−8 cm. Show that the calculated density is in agreement with its measured value of 8.92 g cm−3.
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
Define Anisotropy.
Account for the following :
o-nitrophenol is more steam volatile than p-nitrophenol.
How are the crystalline solids classified?
Graphite and diamond are ____________.
Solid CO2 is an example of ____________.
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 ______.
Give any three characteristics of ionic crystals.
Classify the following solid.
NaCl
Classify the following solid.
Iodine
If NaCl is doped with 10−2 mol percentage of strontium chloride, what is the concentration of cation vacancy?
Which among the following is NOT a polar molecular solid?
Which among the following is not true for crystalline solid?
Which among the following is an example of network solid?
Brass is an example of ____________.
Solid X is a very hard electrical insulator in solid as well as in molten state. It melts at extremely high temperature. Solid X is a ____________.
Order of increasing melting points among H2O(s), C(s), CS2 and Sn is ____________.
MgO has the structure of NaCl. The coordination number of the ions in MgO is ____________.
The hardest substance among the following is:
An example of a covalent crystalline solid is ____________.
Which of the following exists as covalent crystals in the solid state?
In graphite electrons are ____________.
Which one of the following forms a molecular solid when solidified?
Graphite cannot be classified as ______.
How many chloride ions are surrounding sodium ions in sodium chloride crystal?
Which of the following is not true about the ionic solids?
Which of the following cannot be regarded as molecular solid?
(i) SiC (Silicon carbide)
(ii) AlN
(iii) Diamond
(iv) I2
A crystal with a ≠ b ≠ c and α = β = γ = 90° is
Who introduced the term covalent bond?
The covalent bond length is the shortest in which one of the following bonds?
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 \[\ce{0.04 \overset{\circ}{A}}\]
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 ______.
Graphite is a ______.
Mention the res of the following solid:
CO2
What are intermolecular forces of attraction involved in molecular crystals?
Quartz is which type of crystal?
