Chemistry · Chapter 4 of 11

Chemical Bonding: BPSC & UPPCS Prelims PYQs

3 previous-year questions on Chemical Bonding. Each one opens to its answer and explanation.

1. 1. 65th BPSC Prelims 2019

   What is the bond order of CO group?

   1. A1
   2. B2.5
   3. C3.5
   4. D3
   5. ENone of the above / More than one of the above
   Answer and explanation →

2. 2. 45th BPSC Prelims 2001

   An element X has four electrons in its outermost orbit. What will be the formula of its compounds with hydrogen?

   1. AX4H
   2. BX4H4
   3. CXH3
   4. DXH4
   Answer and explanation →

3. 3. 45th BPSC Prelims 2001

   What is the shape of sulphur hexafluoride molecule?

   1. ATrigonal pyramid
   2. BOctahedral
   3. CPlanar
   4. DTetrahedral
   Answer and explanation →