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MCQs

Total Questions : 425 | Page 11 of 43 pages
Question 101. According to Collision theory, the particles must
  1.    collide every where
  2.    collide with correct orientation
  3.    must be kept under immense pressures
  4.    shall not be below their melting points
 Discuss Question
Answer: Option B. -> collide with correct orientation
Answer: (b).collide with correct orientation
Question 102. The bond created by overlapping of one modified orbit on another orbit is known as
  1.    Sigma bond
  2.    Pi bond
  3.    Covalent bond
  4.    coordinated covalent bond
 Discuss Question
Answer: Option A. -> Sigma bond
Answer: (a).Sigma bond
Question 103. A covalently bond molecule's shape and bond angles rely a on number of
  1.    electron pair
  2.    lone pair
  3.    proton pairs
  4.    neutron pairs
 Discuss Question
Answer: Option C. -> proton pairs
Answer: (c).proton pairs
Question 104. The dative covalent bond is found in
  1.    ammonia
  2.    ammonium ion
  3.    urea
  4.    nitrogen
 Discuss Question
Answer: Option B. -> ammonium ion
Answer: (b).ammonium ion
Question 105. When a single atom provides both electrons which are needed for completion of a covalent bond, lead to
  1.    ionic bond
  2.    covalent bond
  3.    co-ordinate bond
  4.    dative bond
 Discuss Question
Answer: Option C. -> co-ordinate bond
Answer: (c).co-ordinate bond
Question 106. The bond angle between ammonia molecule is equal to
  1.    107.5°
  2.    101.5°
  3.    103.5°
  4.    104.5°
 Discuss Question
Answer: Option A. -> 107.5°
Answer: (a).107.5°
Question 107. Lone pair of electrons as compared to bond pair of electrons creates electron charge cloud which is
  1.    less concentrated
  2.    more concentrated
  3.    transitional
  4.    exchangeable
 Discuss Question
Answer: Option B. -> more concentrated
Answer: (b).more concentrated
Question 108. Oxygen can complete its outer shell by gaining
  1.    1 electron (e⁻)
  2.    2 electrons (e⁻)
  3.    3 electrons (e⁻)
  4.    4 electrons (e⁻)
 Discuss Question
Answer: Option B. -> 2 electrons (e⁻)
Answer: (b).2 electrons (e⁻)
Question 109. The word for three angles is
  1.    tetrahedral
  2.    trigonal
  3.    trigonal planar
  4.    octahedral
 Discuss Question
Answer: Option B. -> trigonal
Answer: (b).trigonal
Question 110. Nitrogen molecule is the example of
  1.    single covalent bond
  2.    double covalent bond
  3.    triple covalent bond
  4.    single co-ordinate bond
 Discuss Question
Answer: Option C. -> triple covalent bond
Answer: (c).triple covalent bond

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