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प्रश्न
Draw the electron-dot structure of N2 and state the type of bonding.
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उत्तर
Electron-dot structure of N2 is

In N2, one nitrogen atom shares its three electrons with another nitrogen atom to form a covalent bond.
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संबंधित प्रश्न
Choose the correct answer from the options given below:
Which of the following is a common characteristic of a covalent compound?
1) high melting point
2) consists of molecules
3) always soluble in water
4) Conducts electricity when it is in the molten state
Fill in the blanks in the following sentence:
In forming oxygen molecule, .............. electrons are shared by each atom of oxygen.
What type of chemical bond is present in chlorine molecule? Explain your answer.
Give two general properties of ionic compounds and two those of covalent compounds.
State one test by which sodium chloride can be distinguished from sugar.
Friedrich Wohler converted an inorganic compound into an organic compound in the laboratory.
Write the name and formula of organic compound formed.
What is graphite?
Buckminsterfullerene is an allotropic form of the element:
(a) phoshorus
(b) fluorine
(c) carbon
(d) sulphur
Which of the following cannot exhibit isomerism?
(a) C4H10
(b) C5H12
(c) C3H8
(d) C6H14
An element A has 4 valence electrons in its atom whereas element B has only one valence electron in its atom. The compound formed by A and B does not conduct electricity. What is the nature of chemical bond in the compound formed? Give its electron-dot structure.
Define a coordinate bond.
Explain the following term with example.
Hetero atom in a carbon compound
Observe the straight chain hydrocarbons given below and answer the following
questions :
i) Which of the straight chain compounds from A and B is saturated and unsaturated straight chains?
ii) Name these straight chains.
iii) Write their chemical formulae and number of – CH2 - units.

Give examples for the following:
Two solid covalent compounds.
Explain the following:
Non-polar covalent compounds are insoluble in water.
Draw an electron dot diagram to show the formation of the following compound.
Methane
Draw an electron dot diagram to show the formation of the following compound.
Magnesium chloride [ H=1, C=6, Mg=12, Cl=17].
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
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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What is a covalent bond?

