Directions: The answer to the following question is a single digit integer ranging from 0 to 9. Enter the correct digit in the box given below.
How many open chain structures are possible for N-Methly butanamine (including it) that are referred to as metamers.


Which one of the following graphs accurately represents the plot of partial pressure of CS₂ vs its mole fraction in a mixture of acetone and CS₂ at constant temperature?
