In this article, we will solve the Solutions Questions<\/strong> based on previous year NEET patterns, covering key concepts with tricks and shortcuts. A rapid revision section is also included to strengthen your preparation.<\/p>\n\n\n\n Calculate the molarity of a solution containing 10 g of NaCl in 500 mL solution.<\/p>\n\n\n\n Molar mass of NaCl = 58.5 g\/mol Volume = 500 mL = 0.5 L<\/p>\n\n\n\n Molarity = Moles \/ Volume Answer:<\/strong> 0.342 M<\/p>\n\n\n\n This is a very common type in the Top 5 Solutions Questions, directly testing basic concentration concepts.<\/p>\n\n\n\n Find molality of a solution containing 5 g solute dissolved in 100 g water. (Molar mass = 50 g\/mol)<\/p>\n\n\n\n Moles of solute = 5 \/ 50 = 0.1 mol<\/p>\n\n\n\n Mass of solvent = 100 g = 0.1 kg<\/p>\n\n\n\n Molality = moles \/ kg solvent Answer:<\/strong> 1 mol\/kg<\/p>\n\n\n\n Molality-based numericals are frequently asked in the Top 5 Solutions Questions.<\/p>\n\n\n\n Calculate vapor pressure of solution when mole fraction of solvent = 0.8 and vapor pressure of pure solvent = 100 mmHg.<\/p>\n\n\n\n Using Raoult\u2019s law: P = 0.8 \u00d7 100 = 80 mmHg<\/p>\n\n\n\n Answer:<\/strong> 80 mmHg<\/p>\n\n\n\n Raoult\u2019s law is a direct formula-based concept in the Top 5 Solutions Questions.<\/p>\n\n\n\n Calculate elevation in boiling point when Kb = 0.5 K kg\/mol and molality = 2 m.<\/p>\n\n\n\n \u0394Tb = Kb \u00d7 m Answer:<\/strong> 1 K<\/p>\n\n\n\n Colligative property questions are highly important in the Top 5 Solutions Questions.<\/p>\n\n\n\n A solution shows abnormal molar mass. If observed molar mass is half of expected, find Van\u2019t Hoff factor.<\/p>\n\n\n\n i = Normal molar mass \/ Observed molar mass Answer:<\/strong> 2<\/p>\n\n\n\n Van\u2019t Hoff factor questions are very common in the Top 5 Solutions Questions.<\/p>\n\n\n\n To master the Top 5 Solutions Questions, understanding concentration terms and colligative properties is essential. The chapter revolves around how solutes affect physical properties of solvents.<\/p>\n\n\n\n Important formulas used in the Top 5 Solutions Questions include:<\/p>\n\n\n\n Molarity (M) = Moles \/ Volume (L) These formulas must be revised regularly for fast problem-solving in NEET.<\/p>\n\n\n\n To strengthen your preparation beyond the Top 5 Solutions Questions, solve these:<\/p>\n\n\n\n Find molarity if 1 mol solute is present in 1 L solution. Calculate molality if 2 mol solute is dissolved in 1 kg solvent. Find vapor pressure when mole fraction = 0.5 and P\u00b0 = 200 mmHg. Calculate \u0394Tf when Kf = 2 and m = 1. Find Van\u2019t Hoff factor when substance dissociates into 3 particles. Which property depends only on number of particles? Unit of molality? Effect of dilution on molarity? Ideal solution obeys which law? Boiling point increases due to? While solving the Top 5 Solutions Questions, students often confuse molarity and molality, especially in unit conversion. A common mistake is forgetting to convert grams to kilograms in molality calculations. Many students also misuse Raoult\u2019s law by taking wrong mole fractions. Errors in Van\u2019t Hoff factor calculations are frequent, especially in dissociation and association problems. Ignoring unit consistency can also lead to incorrect answers.<\/p>\n\n\n\n To master the Top 5 Solutions Questions, focus on understanding formulas and practicing numerical problems regularly. Revise concentration terms daily and solve at least 15\u201320 questions. Pay attention to unit conversions and avoid skipping steps. Practice previous year NEET questions to understand patterns and improve speed.<\/p>\n\n\n\n The chapter \u201cSolutions\u201d is highly scoring, and with consistent practice, it becomes one of the easiest topics in NEET Chemistry.<\/p>\n\n\n\n Colligative properties and concentration terms are the most important.<\/p>\n\n\n\n Usually 1 question appears every year.<\/p>\n\n\n\n No, it is easy if formulas are clear and practiced.<\/p>\n\n\n\n Practice regularly and focus on unit conversions.<\/p>\n","protected":false},"excerpt":{"rendered":" Top Solutions Questions for NEET The Top 5 Solutions Questions are among the most important and high-scoring numericals in NEET Chemistry. The chapter \u201cSolutions\u201d focuses on concentration terms, colligative properties, Raoult\u2019s law, and abnormal molar mass. Every year, NEET asks at least one question from this topic, often involving direct formula application or conceptual clarity. 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<\/figure>\n\n\n\nTop 5 Solutions Questions (Important PYQs with Solutions)<\/h2>\n\n\n\n
Question 1: Molarity Calculation<\/h3>\n\n\n\n
Moles = 10 \/ 58.5 \u2248 0.171 mol<\/p>\n\n\n\n
= 0.171 \/ 0.5 \u2248 0.342 M<\/p>\n\n\n\n
\n\n\n\nQuestion 2: Molality Calculation<\/h3>\n\n\n\n
= 0.1 \/ 0.1 = 1 m<\/p>\n\n\n\n
\n\n\n\nQuestion 3: Raoult\u2019s Law<\/h3>\n\n\n\n
P = X \u00d7 P\u00b0<\/p>\n\n\n\n
\n\n\n\nQuestion 4: Elevation in Boiling Point<\/h3>\n\n\n\n
= 0.5 \u00d7 2 = 1 K<\/p>\n\n\n\n
\n\n\n\nQuestion 5: Van\u2019t Hoff Factor<\/h3>\n\n\n\n
= 1 \/ 0.5 = 2<\/p>\n\n\n\n
\n\n\n\nCore Concepts Behind Top 5 Solutions Questions<\/h2>\n\n\n\n
Molality (m) = Moles \/ kg solvent
Raoult\u2019s law: P = X \u00d7 P\u00b0
Elevation in boiling point: \u0394Tb = Kb \u00d7 m
Depression in freezing point: \u0394Tf = Kf \u00d7 m
Van\u2019t Hoff factor: i = Normal molar mass \/ Observed molar mass<\/p>\n\n\n\n
\n\n\n\nAdditional Practice Questions (Concept-Based Rapid Revision)<\/h2>\n\n\n\n
Answer: 1 M<\/p>\n\n\n\n
Answer: 2 m<\/p>\n\n\n\n
Answer: 100 mmHg<\/p>\n\n\n\n
Answer: 2 K<\/p>\n\n\n\n
Answer: 3<\/p>\n\n\n\n
Answer: Colligative property<\/p>\n\n\n\n
Answer: mol\/kg<\/p>\n\n\n\n
Answer: Decreases<\/p>\n\n\n\n
Answer: Raoult\u2019s law<\/p>\n\n\n\n
Answer: Solute addition<\/p>\n\n\n\n
\n\n\n\nCommon Mistakes in Solutions Questions<\/h2>\n\n\n\n
\n\n\n\nStrategy to Master Top 5 Solutions Questions<\/h2>\n\n\n\n
\n\n\n\nFAQ<\/h2>\n\n\n\n
What is the most important topic in solutions for NEET?<\/h3>\n\n\n\n
How many questions come from solutions in NEET?<\/h3>\n\n\n\n
Is solutions chapter difficult for NEET?<\/h3>\n\n\n\n
How to improve solutions numericals?<\/h3>\n\n\n\n