What's More Are you getting familiar with the whole process? Let us have more practice exercises to enhance your mathematical skill. I prepare this problem solving for you, hope you like it Let's start! Show the complete process of computation to obtain a correct answer. Problem #1: What is the percent by volume of a solution formed by mixing 25mL ofisopropanol with 45mL water?

Problem #2:
A photographic "stop bath" contains 160mL of pure acetic acid, HC₂H3020) in 650mL solution. What is the v/v concentration of acetic acid in the stopbath?

hydrocarbons are organic compounds that contain only hydrogens and carbons. they can be saturated (those which contain only carbon-carbon single bonds) or unsaturated (those which contain carbon-carbon double or triple bonds) in nature. hydrocarbons can undergo several reactions like substitution, elimination etc.  

on substituting one or more hydrogen atoms in hydrocarbon it results in the formation of haloalkane. as the halogen atoms are large compared to the carbon and hydrogen atoms, due to which the molecular weight increases and the bond become polar because of presence electronegative halogen atom and results in the increase in boiling point of the haloalkane.

thus, the correct option is (b) that is the boiling point of the new compound increases on substituting a hydrogen atom with a halogen in a hydrocarbon.