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प्रश्न
State any two uses of diamond.
उत्तर
Uses of diamonds:
(1) As diamonds have an extraordinary shine, they are used in making jewellery.
(2) Diamonds, due to their hardness, are used in instruments like glass cutters, grinders. They are also used as abrasives for polishing.
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संबंधित प्रश्न
Write the number of covalent bonds in the molecule of butane, C4H10.
Name the type of bonds formed in ionic compounds and in the compounds formed by carbon.
What type of bonds are present in CO2 molecule? Draw their electron-dot structures.
Give two general properties of ionic compounds and two those of covalent compounds.
Why is graphite a good conductor of electricity but diamond is a non-conductor of electricity?
Why are covalent compounds generally poor conductors of electricity?
Which of the following cannot exhibit isomerism?
(a) C4H10
(b) C5H12
(c) C3H8
(d) C6H14
Define a covalent bond.
Draw all possible structural formulae of compound from their molecular formula given below.
C3H8
Explain the following term with example.
Alkane
(a) Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d) given below
The type of bonding in X will be
Explain the bonding in methane molecule using electron dot structure.
An element L consists of molecules.
What type of bonding is present in the particles that make up L?
Element A has 2 electrons in its M shell. Element B has atomic number 7.
If B is a diatomic gas, write the equation for the direct combination of A and B to form a compound.
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
What is the difference between :
Ionic compounds and covalent compounds
Potassium chloride is an electrovalent compound, while hydrogen chloride is a covalent compound, But, both conduct electricity in their aqueous solutions. Explain.
Name gas with rotten egg smell.
Give an example for each of the following statement
A compound in which two Covalent bonds are formed.
Consider the coordination compound, K2[Cu(CN)4]. A coordinate covalent bond exists between:
