Advertisements
Advertisements
Question
Give the characteristic properties of covalent compounds.
Advertisements
Solution
- The covalent compounds exist as gases or liquids or soft solids.
- The melting and boiling points of covalent compounds are generally low.
- Covalent compounds are insoluble in water but dissolve in organic solvents.
- They are non-conductors of electricity in solid, molten or aqueous state.
- They are true molecules.
RELATED QUESTIONS
Fill in the blank in the following sentence:
In forming N2 molecule, .............. electrons are shared by each atom of nitrogen.
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Ethene
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Water
Compare the compounds carbon tetrachloride and sodium chloride with regard to solubility in water and electrical conductivity.
Explain why carbon tetrachloride does not dissolve in water.
Draw the electron dot diagram and structure of magnesium chloride.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\ |\phantom{....}|\phantom{....}|\\\ce{H - C - C - C - H}\\ |\phantom{....}|\phantom{....}|\\\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H} \end{array}\] |
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc} \phantom{.........}\ce{H}\\ \phantom{.........}|\\ \ce{H - C ≡ C - C - H}\\ \phantom{.........}|\\ \phantom{.........}\ce{H} \end{array}\] |
Consider the coordination compound, K2[Cu(CN)4]. A coordinate covalent bond exists between:
Non-polar covalent compounds are ______ conductors of heat and electricity.
