Chemistry - Chemical Bonding

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Question - 1

The origin of intermolecular forces is because of

  • A attraction between polar molecules
  • B forces between permanent dipole and induced dipole
  • C dispersion forces due to distortion of electron clouds under the influences of nuclear of atoms
  • D All of the above

Question - 2

Consider the following statements

1. H2 O exists in liquid state whereas H2S in gaseous state because hydrogen bond exist in water and does not exist in H2S.

2. The dipole moment helps to predict whether a molecule in polar or non-polar.

3. Alcohol is non-polar solvent.

4. Ionic compounds are insoluble in non-polar solvent.

Which of the statements given above are correct?

  • A 1, 2, 3 and 4
  • B 1, 2 and 3
  • C 1 and 2
  • D 2 and 3

Question - 3

The bond which is present between water molecules is

  • A electrovalent bond
  • B covalent bond
  • C hydrogen bond
  • D van der Waals bond

Question - 4

The octet rule is not valid for which one of the following molecule?

  • A CO2
  • B H2S
  • C NH3
  • D BF3

Question - 5

What are the types of bonds present in CuSO4 .5H2O?

  • A Electrovalent and covalent
  • B Electrovalent and coordinate
  • C Electrovalent, covalent, coordinate and hydrogen bond
  • D Covalent and coordinate covalent

Question - 6

Consider the following statements

1. Alcohol is non-polar solvent

2. Ionic compounds are soluble in polar solvent.

3. Ionic compounds do not conduct electricity in solid state.

Which of the following Statements given above are correct?

  • A 1 and 2
  • B 2 and 3
  • C 1 and 3
  • D 1, 2 and 3

Question - 7

Covalent compounds are formed by

  • A transfer of electrons
  • B sharing of electrons
  • C donation of electrons
  • D None of the above

Question - 8

In the covalent valency

  • A electrons are equally shared by the atoms
  • B electrons are one atom are shared with two atoms
  • C hydrogen bond is formed
  • D None of the above

Question - 9

An atom of sodium loses one electron and chlorine atom accepts one electron. This result the formation of sodium chloride molecule. This type of molecule will be

  • A coordinate
  • B covalent
  • C electrovalent
  • D metallic bond

Question - 10

The four bonds of CCI4 are directed in space at an angle of

  • A 90\(^{o}\)
  • B 120\(^{o}\)
  • C 109\(^{o}\)28'
  • D 128\(^{o}\)09'
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