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Chemical Bonding

Tests molecular geometry and VSEPR theory concepts including lone pairs, hybridization, and shapes of molecules and ions

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following molecules/ions has the maximum number of lone pairs?

  1. XeF2
  2. CO2
  3. XeF5-
  4. ClF3
  5. TiCl4
Question 2 Multiple Choice (Single Answer)

Which of the following pairs is not correctly matched?

  1. XeF4 - tetrahedral
  2. SF4 - seesaw
  3. Wl6 - octahedral
  4. BrF3 - T-shaped
  5. XeOF4 - square pyramidal
Question 3 Multiple Choice (Single Answer)

Which of the following molecules/ions possess bent geometry?

  1. I3-
  2. XeF2
  3. H2O
  4. SO2
  1. Only (1) and (2)
  2. Only (2) and (3)
  3. Only (3) and (4)
  4. (1), (2) and (3)
  5. (2), (3) and (4)
Question 4 Multiple Choice (Single Answer)

Which of the following molecules bears no lone pair of electrons with linear shape?

  1. XeF2
  2. CCl2
  3. CdI2
  4. XeF4
  5. PbCl2
Question 5 Multiple Choice (Single Answer)

Which of the following molecules bears one lone pair on the central atom with bent shape?

  1. SO2
  2. F2O
  3. H2O
  4. XeF2
  5. O3
Question 6 Multiple Choice (Single Answer)

Which of the following pairs are incorrectly matched?

P. NH3 - Trigonal planar
Q. SO3 - Trigonal planar
R. XeCl2 - Linear geometry
S. XeF5- - Trigonal bipyramidal

  1. (P) and (Q)
  2. (Q) and (R)
  3. (R) and (S)
  4. (P) and (R)
  5. (P) and (S)
Question 7 Multiple Choice (Single Answer)

Which of the following statements is/are incorrect?

(P) Both XeF2 and OF2 molecules are identical in bond pairs and lone pairs, but are different in their shapes.
(Q) NO3-, BF3 and SO3 possess identical geometry.
(R) The bond angle in formaldehyde (H-C=O) is greater than that in ethylene (H-C=C).

  1. Only (P)
  2. Only (Q)
  3. Only (R)
  4. Both (P) and (Q)
  5. Both (Q) and (R)
Question 8 Multiple Choice (Single Answer)

Match the following:

 
Column - I 
        </strong>|<strong>Column - II </strong>|

|A. WBr2F4|1. Seesaw|
|B. TeF4|2. Octahedral|
|C. XeO4|3. Tetrahedral|
|D. XeOF5-|4. Pentagonal pyramidal|
| |5. Square planar|

  1. A - 2, B - 1, C - 3, D - 4
  2. A - 2, B - 4, C - 1, D - 5
  3. A - 5, B - 3, C - 5, D - 4
  4. A - 4, B - 1, C - 3, D - 2
  5. A - 2, B - 5, C - 4, D - 3
Question 9 Multiple Choice (Single Answer)

Which of the following statements is/are false?

P. IF8- has a square antiprismatic shape.
Q. IF7 bears zero lone pairs of electrons and possesses pentagonal bipyramidal geometry.
R. SnCl2 has one lone pair of electrons and a linear shape.
S. IOF3 has seesaw geometry.

  1. Only (P)
  2. Both (P) and (Q)
  3. Both (Q) and (R)
  4. Both (R) and (S)
  5. Only (R)
Question 10 Multiple Choice (Single Answer)

Which of the following pairs has square planar geometry?

  1. SCl2, XeF2
  2. SnBr2, SeF2
  3. SCl4, CH4
  4. XeF4, ICl4-
  5. TiCl4, XeO4
Question 11 Multiple Choice (Single Answer)

The geometry of carboplatin is

  1. linear
  2. trigonal planar
  3. tetrahedral
  4. square planar
  5. octahedral
Question 12 Multiple Choice (Single Answer)

How many sigma and pi bonds does calcium carbide have?

  1. One sigma and one pi
  2. Two sigma and one pi
  3. One sigma and two pi
  4. Two sigma and two pi
  5. Three sigma and two pi
Question 13 Multiple Choice (Single Answer)

Which of the following sets of atomic orbitals represent(s) the formation of a square planar complex?

  1. s, px, py, pz
  2. s, px, py, pz, d
  3. s, px, py, pz, d, d
  4. d, s, px, py
  5. Both (3) and (4)
Question 14 Multiple Choice (Single Answer)

Match the following:

 
Group - I (molecules/ions) 
        </strong>|<strong>  Group - II (corresponding shapes) </strong>|

|P. BrF3|1. Pyramidal|
|Q. XeOF5-|2. Bent|
|R. SeO32-|3. T-shaped|
|S. Cl2O|4. Pentagonal pyramidal|
| |5. Trigonal planar|

  1. P - 3, Q - 4, R - 1, S - 2
  2. P - 2, Q - 4, R - 1, S - 5
  3. P - 5, Q - 1, R - 4, S - 2
  4. P - 2, Q - 3, R - 1, S - 4
  5. P - 2, Q - 3, R - 5, S - 1
Question 15 Multiple Choice (Single Answer)

Match the following:

   
List - A 
        </strong>|<strong>List - B
        </strong>|<strong>  List - C </strong>|

|P. IOF52-|1. Square planar|i. 1|
|Q. XeCl2|2. Pentagonal pyramidal|ii. 2|
|R. SbI5|3. Linear|iii. 0|
|S. BrF4-|4. Trigonal bipyramidal|iv. 3|

  1. P - 3 - i, Q - 2 - iv, R - 4 - iii, S - 1 - ii
  2. P - 2 - i, Q - 3 - iv, R - 1 - iii, S - 4 - ii
  3. P - 2 - i, Q - 3 - ii, R - 1 - iii, S - 4 - iv
  4. P - 2 - i, Q - 3 - iv, R - 1 - ii, S - 4 - iii
  5. P - 2 - i, Q - 3 - iv, R - 4 - iii, S - 1 - ii
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