Ionic Bonds and Covalent Bonds Multiple Choice Questions (MCQ) PDF - 60

MCQ 296: Pairs of outer shell electrons not used in bonding are called as

1. valence electrons
2. loner electrons
3. electrovalent electrons
4. lone pairs

MCQ 297: The vapor pressure is directly proportional to the temperature because of

1. more kinetic energy only
2. faster particle movement only
3. more potential energy
4. more kinetic energy and faster particle movement

MCQ 298: A hydrogen atom has an approximate diameter of

1. 10-9nm
2. 10-10nm
3. 9-10nm
4. 10-11nm

MCQ 299: An increase in the number of electrons increases the

1. Van der Waal's forces
2. enthalpy change of vaporization
3. boiling points of noble gases
4. melting point of Nobel gases

MCQ 300: Halogens dissolve well in

1. pentane
2. ethane
3. cyclohexane
4. water