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प्रश्न
Fill in the blank with correct word from the bracket.
Melting and boiling points of covalent compounds are generally ______ (low, high).
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उत्तर
Melting and boiling points of covalent compounds are generally low.
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संबंधित प्रश्न
Give two general properties of ionic compounds and two those of covalent compounds.
Explain why, ionic compounds conduct electricity in solution whereas covalent compounds do not conduct electricity.
Using electron-dot diagrams which show only the outermost shell electrons, show how a molecule of nitrogen, N2, is formed from two nitrogen atoms. What name is given to this type of bonding? (Atomic number of nitrogen is 7)
Give two example in following case:
Liquid non polar compounds
Give an example of the covalent bond formed by
(i) Similar atoms (ii) Dissimilar atoms
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)
 |
Consider the coordination compound, K2[Cu(CN)4]. A coordinate covalent bond exists between:
Which of the following statements are correct for carbon compounds?
- Most carbon compounds are good conductors of electricity.
- Most carbon compounds are poor conductors of electricity.
- Force of attraction between molecules of carbon compounds is not very strong.
- Force of attraction between molecules of carbon compounds is very strong.
Two carbon atoms can always form one or two covalent bonds.
