NEET 2020 Revision Quiz:Chemical Bonding

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Question 1

Which of the following diatomic molecular species has only  bonds according to Molecular Orbital Theory?

• AN₂
• BC₂
• CBe₂
• DO₂

Question 2

What is the covalency of ‘S’ in the following compound:

• A4
• B6
• C2
• D8

Question 3

The correct order of increasing N–O bond energy in NO, NO^-, NO⁺ is :

• A
• B
• C<
• D<

Question 4

The correct order of Pauling electro negativity is

• AF > Cl > Br
• BF > Cl < Br
• CF < Cl > Br
• DF < Cl < Br

Question 5

Find the spatial geometry of BF₃ and BF₄^- ions:

• ATriangular planar, Square planar
• BTetrahedral, tetrahedral
• CTetrahedral, Square planar
• DTriangular planar, Tetrahedral

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