Question

Question 6 : A functional group that introduces polarity leads to __________ in the molecule.
increase melting point
increase boiling point
increase saturation point
Permanent dipole moment

Question 7 : A chief source of benzene and its derivatives is __________.
Basalt
Limestone
Coaltar
Bitumen

Question 8 : A substance which ionises to produce hydroxide ions is called __________.
Base
None of the above
Salt
Acid

Question 9 : All these affect boiling points except __________.
Shape of molecule
London forces
Polarity
Molecular structure

Question 10 : A chief source of benzene and its derivatives is __________.
Bitumen
Coaltar
Limestone
Basalt

Answer 1

increase melting point, increase boiling point, Permanent dipole moment.
Coaltar.
Base.
Shape of molecule.
Coaltar.