MCQs on Electrovalent Bonding
1. Electrovalent compounds are
(a) low melting
(b) insoluble in polar solvents
(c) conductors in the fused state
(d) none of the above
Answer:::: (c)
2. Ionic compounds don’t conduct electricity in
(a) solution
(b) fused state
(c) solid state
(d) none of the above
Answer:::: (c)
3. When an element of very low ionization potential reacts with an element of very high electron affinity
(a) a covalent bond is formed
(b) an electrovalent bond is formed
(c) a metallic bond is formed
(d) no bond is formed
Answer:::: (b)
4. The bond between two atoms of the same element is
(a) polar covalent bond
(b) ionic bond
(c) non-polar covalent bond
(d) none of the above
Answer:::: (c)
5. The percentage of ionic character of a bond is calculated by the difference in
(a) size of atoms
(b) ionization potential of atoms
(c) electronegativity of atoms
(d) atomic volumes of atoms
Answer:::: (c)
6. In which of the following C-C bond length is least?
(a) benzene
(b) diamond
(c) ethylene
(d) acetylene
Answer:::: (d)
7. The paramagnetic nature of oxygen molecule is explained by
(a) Valence bond theory
(b) Heitler London theory
(c) Hund Mulliken theory
(d) none of the above
Answer:::: (c)
8. The bonds present in CuSO4.5H2O are
(a) electrovalent and coordinate
(b) covalent and coordinate
(c) electrovalent and covalent
(d) electrovalent, covalent and coordinate
Answer:::: (d)
9. An element having 4 electrons in its outermost orbit forms bond by
(a)losing electrons
(b)gaining electrons
(c)sharing electrons
(d)any of the above
Answer:::: (c)
10. Elements with electronegativities 1.2 and 3.0 form
(a)electrovalent bond
(b)covalent bond
(c)coordinate bond
(d)metallic bond
Answer:::: (a)
