The boiling point increases down the zero group element due to_________________?

Related Mcqs:

1. Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to_________________?

   A. More strength of H-bonding
   B. More strength of London forces
   C. Less polarizability
   D. All of the above

2. The molal boiling point constant is the ration of the elevation of boiling point to____________________?

   A. Molarity
   B. Molality
   C. More fraction of solvent
   D. Mole fraction of solute

3. Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?

   A. The nature of its oxides
   B. The charge on its ions
   C. The formula of its oxide
   D. Its number of isotopes

4. Electricity in voltaic cell is produced due to_________________?

   A. neutralization
   B. oxidation
   C. reduction
   D. both B & C

5. Iodine is solid due to_________________?

   A. Strong covalent bond
   B. Large value of dipole moment
   C. High polarizability
   D. Strong hydrogen bonding

6. Noble gases are so called zero group because they have:_________?

   A. Zero Valency
   B. Zero Electronegativity
   C. Zero Electron Affinity
   D. Both A and B
   E. All of these

   Submitted by: Raza Samejo

7. Which electronic configuration corresponds to an element of group IIIA ?

   A. 1s2 2s2 2p3
   B. 1s2 2s2 2p6 3s2 3p1
   C. 1s2 2s2 2p4
   D. 1s2 2s2 2p6 3s2 3p6 4s2 3d1

8. The element of group VIA which is a non-metal is________________?

   A. S
   B. Se
   C. Te
   D. Po

9. Which of the following always increases on going from top to bottom in a group ?

   A. Metallic character
   B. Electronegativity
   C. Oxidizing power
   D. Tendency to get reduced

10. The property which increases upto group IV-A then decreases on wards_______________?

    A. Ionization energy
    B. Atomic radii
    C. Melting & boiling points
    D. Atomic volume