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MCQs

Total Questions : 425 | Page 38 of 43 pages
Question 371. In a molecule of chlorine trifluoride, ClF₃ the bond angle is
  1.    87.5°
  2.    107.5°
  3.    78.5°
  4.    107.5°
 Discuss Question
Answer: Option A. -> 87.5°
Answer: (a).87.5°
Question 372. When the bond is formed by the sharing of two pairs of electrons by atoms, the bond if
  1.    single covalent bond
  2.    double covalent bond
  3.    triple covalent bond
  4.    ionic bond
 Discuss Question
Answer: Option B. -> double covalent bond
Answer: (b).double covalent bond
Question 373. The atom is held together by strong force present between electrons and nuclei of
  1.    attraction
  2.    repulsion
  3.    energy
  4.    heat
 Discuss Question
Answer: Option A. -> attraction
Answer: (a).attraction
Question 374. The shape of a water molecule is
  1.    linear
  2.    non-linear
  3.    pyramidal
  4.    tetrahedron
 Discuss Question
Answer: Option B. -> non-linear
Answer: (b).non-linear
Question 375. The compound which is formed by linear overlapping creating sigma bonds only is
  1.    methane
  2.    ethene
  3.    propane
  4.    butane
 Discuss Question
Answer: Option A. -> methane
Answer: (a).methane
Question 376. The energy which is required to break 1 mole of a given bond is called
  1.    bond energy
  2.    molar energy
  3.    molar bond energy
  4.    bond breaking energy
 Discuss Question
Answer: Option A. -> bond energy
Answer: (a).bond energy
Question 377. The pair of outer shell electrons which doesn't take part in bonding is called
  1.    spectators
  2.    lone pairs
  3.    spin pairs
  4.    dative pairs
 Discuss Question
Answer: Option B. -> lone pairs
Answer: (b).lone pairs
Question 378. A molecule of aluminum chloride (AlCl₃) is formed by the bond called
  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 379. The sideways overlapping constitutes the bond
  1.    sigma-bond
  2.    pi-bond
  3.    coordinate bond
  4.    none of above
 Discuss Question
Answer: Option B. -> pi-bond
Answer: (b).pi-bond
Question 380. Two bonding pairs of electrons and two lone pairs are present in a molecule of
  1.    nitrogen
  2.    ammonia
  3.    water
  4.    methane
 Discuss Question
Answer: Option C. -> water
Answer: (c).water

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