12th HSC Solution Previous Year Questions
The Solutions chapter (2nd Chapter) of Class 12 HSC Chemistry is a scoring topic in the Maharashtra Board syllabus. Questions from this chapter appear consistently every year in the HSC board exam.
Class 12 Chemistry Chapter 2
- Previous year questions from 2015–2024
- Solved answers
- Important formulas
- Tips to score full marks
Maharashtra Board Chemistry
Chapter Overview: Important Concept to Focus On
Here are the key concepts you must understand from Chapter 2 – Solutions:
Concept Expected Weightage
Types of solutions 1–2 marks
Concentration terms (molality, molarity, mole fraction) 2–3 marks
Raoult’s law and ideal/non-ideal solutions 2–4 marks
Colligative properties 3–4 marks
Van’t Hoff factor & abnormal molar mass 2–3 marks
Previous Year Questions – Chapter 2 (Solutions)
Important questions from the solution chapter, Chemistry 12th HSC
Q1. Define mole fraction and write its formula. (2 Mark) (2022)
Q.2.Derive the formula for depression in freezing point.(3Mark) (2023)
Q.3.Explain Raoult’s law for a binary solution.(3Mark) (2020)
Q. 4. What is the Van’t Hoff factor? How does it explain abnormal molar mass?(3Mark) (2021)
Q.5.State and explain Henry’s law.(3 Mark)(2019)
For more questions, please download the following PDF
HSC Chemistry Solutions Chapter
Expert Tips to Score Full Marks
- Focus on derivations – Always write formulas with units
- Solve numericals regularly – Practice 10+ past paper sums
- Create flashcards – For definitions and laws
- Revise daily – 15-minute micro-revisions help retain formulas
- Attempt mock tests – Mimic board exam conditions
Frequently asked questions
Q1: Is the Solutions chapter important for the HSC exam?
Yes, it carries 7–9 marks and appears every year.
Q2: Are numericals from colligative properties frequently asked?
Absolutely. 2–3 numericals appear in most board exams.
Q3: Can I skip derivations?
Not recommended. Derivations are high-weightage and often repeated.
Q4: Which law is most repeated in exams?
Raoult’s Law and Henry’s Law are asked about almost every year.
If you're a 12th HSC student, mastering the Solutions chapter is a must. Go through previous year questions, understand the derivations, and practice numericals daily. Download the question bank PDF and stay consistent. Remember — clarity + practice = top score!
