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Which of the following aqueous solutions has the highest boiling point? (a) 0.1M Urea (b) 0.1M NaCl (c) 0.1M BaCl₂ (d) 0.1M AlCl₃ Solution: Boiling point elevation ∝ van’t Hoff factor (i). Urea (i=1), NaCl (i=2), BaCl₂ (i=3), AlCl₃ (i≈4). Highest i = AlCl₃. Hence, Option (d). eamcet chemistry chapter wise questions with solutions pdf
18g of glucose (Molar mass 180 g/mol) is dissolved in 180g of water. What is the mole fraction of glucose? (a) 0.99 (b) 0.01 (c) 0.1 (d) 0.2 Solution: Moles of glucose = 18/180 = 0.1. Moles of water = 180/18 = 10. X_glucose = 0.1/(0.1+10) = 0.1/10.1 ≈ 0.0099 ≈ 0.01 (Option b).
The Engineering, Agriculture, and Medical Common Entrance Test (EAMCET), now rebranded as TS EAPCET and AP EAPCET, is one of the most competitive exams in South India. Every year, over 3 lakh aspirants battle for a few thousand seats in top engineering and agricultural colleges. Your dedication and consistency are the fuel
Among the three sections (Physics, Chemistry, Mathematics/Biology), Why? Because it is the most scoring and least time-consuming subject if prepared strategically. However, the sheer volume of the syllabus (Classes 11 & 12) can be overwhelming.
| Chapter | Questions per Exam | Priority | | :--- | :--- | :--- | | | 3-4 | High | | d & f-block Elements | 2-3 | High | | Chemical Bonding | 2-3 | High | | Thermodynamics | 2-3 | High | | Electrochemistry | 2 | Medium-High | | Coordination Compounds | 2 | Medium | | Aldehydes & Ketones | 2 | Medium | | Biomolecules | 2 | Medium | | Polymers & Chemistry in Action | 2 | Low (but easy scoring) | | Remaining chapters | 1 each | Variable | This reduces the number of particles
The osmotic pressure of a solution of benzoic acid in benzene is less than the theoretical value because: (a) Benzoic acid dissociates (b) Benzoic acid associates (c) Benzene is volatile (d) Solute is non-volatile Solution: Benzoic acid forms dimers (C₆H₅COOH)₂ in benzene via hydrogen bonding. This reduces the number of particles, reducing osmotic pressure. Hence, Option (b).