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

Related Mcqs:

1. Compound containing two halogen atoms on two adjacent carbon atoms are called as ___________?

   A. Glycols B. Vicinal dihalides C. Geminal dihalides D. Diols Submitted by: Aamir khan Hullio...

2. The melting points and boiling points upto meddle of 3d- series ____________________?

   A. increases B. decreases C. remain same D. no regular trend...

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

   A. Ion dipole forces B. London forces C. Hydrogen bonding D. Dipole dipole forces...

4. When the atoms of third layer are arranged in such a way that they directly lie above the atoms of first layer then this arrangement is called_________________?

   A. ABAB (hexagonal) B. ABCABC (Cubic) C. Orthor hombic D. Rhombohedral...

5. Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?

   A. Covalent halides B. Electronegative halides C. Polymeric halides D. Polymeric hydrides...

6. 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...

7. In a molecule of carbon monoxide, what are the formal charges on the two atoms?

   A. Carbon=0, Oxygen=0 B. Carbon= +1, Oxygen= -1 C. Carbon= -1, Oxygen= +1 D. Carbon=0, Oxygen= -1 Submitted by: Muhammad Ali Kunbhar...

8. In a group, atomic radii increase due to successive increase of _________ ?

   A. Electronic shells B. Proton shells C. Neutron shells D. Nucleus Submitted by: Rashid Mehmood...

9. In unsaturated hydrocarbons electrons favour___________________?

   A. less reactivity B. addition reactions C. substitution reactions D. none...

10. Across short period the melting and boiling point increase upto __________________?

    A. IIIA group B. IVA group C. VA group D. VIA group...