How do alkanesand alkenes differ in structures? Illustrate your answer.

How do cyanides and isocyanides differ in their structure ?

How do alkyl, allyl and vinyl halides differ in structure ?

What change is made in the eye to enable it to focus on objects situated at different distances ? Illustrate your answer with the help of diagrams.

Why do stars seem higher than they actually are ? Illustrate your answer with the help of a diagram.

How would you name a compound when it contains two functional groups of different types ? Illustrate your answer with examples.

What do you understand by inductive effect? Illustrate your answer with at least two examples.

Define order of a reaction. Illustrate your answer with an example.