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प्रश्न
List three characteristic properties of covalent compounds.
उत्तर
The characteristic properties of covalent compounds are as follows:-
(i) They have low melting and boiling points.
(ii) They do not conduct electricity.
(iii) They are not soluble in water, but they dissolve readily in organic solvents.
संबंधित प्रश्न
Explain the nature of the covalent bond using the bond formation in CH3Cl.
What type of bonds are present in methane (CH4) and sodium chloride (NaCl)?
State one major difference between covalent and ionic bonds and give one example each of covalent and ionic compounds.
Why does carbon form compounds mainly by covalent bonding?
State one test by which sodium chloride can be distinguished from sugar.
Draw the electron-dot structure of HCl compound and state the type of bonding.
What is graphite?
Out of KCl, HCl, CCl4 and NaCl, the compounds which are not ionic are:
(a) KCl and HCl
(b) HCl and CCl4
(c) CCl4 and NaCl
(d) KCl and CCl4
The molecules having triple bond in them are:
(a) oxygen and ethyne
(b) carbon dioxide and ammonia
(c) methane and ethene
(d) nitrogen and ethyne
The electronic configurations of three elements X, Y and Z are as follows:
| X | 2, 4 |
| Y | 2, 7 |
| Z | 2, 1 |
(a) Which two elements will combine to form an ionic compound?
(b) Which two elements will react to form a covalent compound?
Give reasons for your choice.
Complete the following:
In case of non-polar covalent bond, the covalent bond is formed in the ______ of atoms and shared electrons are ______ distributed. (corner, middle, equally, unequally)
Write answer as directed.
Saturated hydrocarbons are classified into three types. Write these names giving one example each.
Molecular formula of Propane is C3H8 , write the structural formula of propane.
Choose and write the correct option.
Which type of carbon-carbon bonds are present in Vanaspati ghee?
Give examples for the following:
Two gaseous non polar compounds.
An element L consists of molecules.
What type of bonding is present in the particles that make up L?
Which of the following is a common characteristic of a covalent compound?
Covalent bonds can be single, double or triple covalent bonds. How many electrons are shared in each? Give an example of each type.
Write a short note.
Aromatic hydrocarbons
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
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