Transition Elements MCQ's 2

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MCQ's with answers from chapter 6 Transition Elements chemistry book 2 for FSC pre engineering and pre medical for Board of Intermediate and Secondary education. Also For Entry Test Preparation for UET, NUST, PIEAS, GIKI, AIR, FAST, WAH University, UHS, other eningeering Universities and Medical Colleges.

set 6.


  1. The formula of disilane is like that of
    1. Methane
    2. Ethane
    3. Propane
    4. ehene
  2. All the following molecules have bond angle 180 except
    1. SnCl2
    2. MgCl2
    3. HgCl3
    4. BeCl2
  3. Bond angle between two hybrid orbitals is 180. The “S” character in hybrid orbital is
    1. 25 %
    2. 33.3%
    3. 50%
    4. 100%
  4. In which one of the following pairs do the molecules have similar shapes
    1. BF3 and AlCl3
    2. CO2 and H2O
    3. CH4 and PH3
    4. NH3 and BCl3
  5. Which one of the following molecules in non polar but contain polar bonds?
    1. HCl
    2. H2O
    3. SO3
    4. SO2
Answers:

  1. Ethane
  2. SnCl2
  3. 50%
  4. BF3 and AlCl3\
  5. SO3

Set 7.
  1. Which one of the following statement is incorrect?
    1. VSEPR theory explains the formation of covalent bonds
    2. Equivalent tetravalency of C-atom is explained by hybridization
    3. MOT explain paramagnetic behavior of oxygen
    4. According to L-Pauling metallic bond is just like a covalent bond
  2. Which of the following has half bond order?
                  1. H2
                  2. O2
                  3. H2+
                  4. O2^2+
       3. CsF is an ionic compound because
                  1. Cs has low I.P and F has high E.A
                  2. Cs has high I.P and F has high E.A
                  3. Cs has high I.P and F has low E.A
                  4. Cs has low I.P and F has low E.A
       4. Which of the following process is always exothermic?
                  1. 1st I.P
                  2. 2nd I.p
                  3. 1st E.A
                  4. 2nd E.A
      5. Which solid does not contain covalent bonds
                  1. Copper
                  2. diamond
                  3. graphite
                  4. ice
     6. A triatomic molecule with meu =0 has geometry
                  1. Linear
                  2. Tetrahedral
                  3. Bent
                  4. hexagonal
     7. A compound which has meu is not equal to 0
                  1. SiH4
                  2. CH4
                  3. PH3
                  4. BH3

 Answers:

  1. VSEPR theory explains the formation of covalent bond
  2. H2+
  3. C s has low I.P and F has high E.A
  4. 1st E.A
  5. Copper
  6. Linear
  7. PH3

I am Mechatronics and Control Engineer from UET, Lahore. Helping Engineering students gives me pleasure.

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