Chemical Bonding and Molecular Structure MCQs Question and Answer in Engineering Chemistry

A. both sodium and chloride ions adopt inert gas configuration

B. the conduction band is full

C. the conduction band is empty

D. the valence band is full

A. linear XeF₂ and pyramidal XeO₃

B. bent XeF₂ and pyramidal XeO₃

C. bent XeF₂ and planar XeO₃

D. linear XeF₂ and tetrahedral XeO₃

A. 9

B. 6

C. 3

D. 12

A. trigonal planar for [S₂O₄]^2- and trigonal pyramidal for [SF₂Cl]⁺

B. both trigonal planar

C. trigonal pyramidal for [S₂O₄]^2- and trigonal planar for [SF₂Cl]⁺

D. both trigonal pyramidal

A. both have normal spinel structure

B. both have inverse spinel structure

C. Fe₃O₄ has normal and Co₃O₄ has inverse spinel structure

D. Fe₃O₄ has inverse and Co₃O₄ has normal spinel structure

A. I

B. II

C. III

D. IV

A. fluorine is more electronegative than oxygen

B. Xe has a lone pair in XeF₆

C. XeF₆ is neutral whereas [XeO₆]^4- is anionic

D. Xe-F bond has more ionic characters

A. presence of filled 3s - orbital

B. overlap of filled 2p and filled 3s - orbital

C. overlap of filled 3s and empty 3p - orbital

D. presence of unfilled 3p - orbital

A. It has a linear structure

B. It belongs to the point group C_s

C. It does not have a dipole moment

D. It is a chiral molecule

A. CO₂ and SO₂

B. SO₃ and SeO₃

C. $${\text{NO}}_2^ + $$  and TeO₂

D. $${\text{SiO}}_4^{4 - }$$  and $${\text{PO}}_4^{3 - }$$