1:   According to VSEPR theory, the most probable shape of the molecule having 4 electron pairs in the outer shell of the central atom is
Options:
  1. linear
  2. tetrahedral
  3. hexahedral
  4. none of these

Answer: Option 2

Explanation:

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2:   Structure of ammonia is
Options:
  1. trigonal
  2. tetrahedral
  3. pyramidal
  4. none of these

Answer: Option 3

Explanation:

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3:   Bond angle in water molecule is
Options:
  1. 180
  2. 109
  3. 104.5
  4. 90

Answer: Option 3

Explanation:

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4:   An electrovalent bond between two atoms is formed by which of the following
Options:
  1. electron nuclear attraction
  2. electron sharing
  3. electron transfer
  4. none of these

Answer: Option 3

Explanation:

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5:   A covalent bond between two atoms is formed by which of the following
Options:
  1. electron nuclear attraction
  2. electron sharing
  3. electron transfer
  4. none of these

Answer: Option 2

Explanation:

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6:   Which of the following is linear
Options:
  1. SO2
  2. NO2 +
  3. NO2 -
  4. none of these

Answer: Option 2

Explanation:

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7:   Hydrogen bonding is not present in
Options:
  1. glycering
  2. water
  3. hydrogenfluoride
  4. none of these

Answer: Option 4

Explanation:

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8:   The triple bond between N atoms of nitrogen molecule consists of
Options:
  1. three sigma bonds
  2. one sigma and two pi bonds
  3. three pi bonds
  4. none of these

Answer: Option 2

Explanation:

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9:   Hydrogen bond is present in
Options:
  1. HF
  2. HCl
  3. HBr
  4. HI

Answer: Option 1

Explanation:

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10:   Hydrogen bond is formed when in the compound there is present hydrogen and
Options:
  1. strong electro negative atoms
  2. strong electro positive atom
  3. metal atom with filled d sub shell
  4. none of these

Answer: Option 1

Explanation:

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Hope is an essential thread in the fabric of all fantasies, an Ariadne's thread to guide us out of the labyrinth ... Human beings have always needed hope, and surely now more than ever.
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