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Q.1: The element which shows only +3 oxidation state among the following is: (a) Iron (b) Copper (c) Cobalt (d) Chromium Q.2: The electronic configuration of Fe2+ ion is: (a) [Ar] 3d6 (b) [Ar] 3d7 (c) [Ar] 3d5 (d) [Ar] 3d8 Q.3: Which one of the following is a common oxidation state for all actinoids? …
Class 12 Chemistry Chapter 4 The d-and f-Block Elements MCQs Updated 2025 Read More »
Q.1: For the reaction rate = k[A]2[B], the overall order is: (a) 1 (b) 2 (c) 3 (d) 0 Show Answer ⯆ Answer: (c) Explanation: Sum of powers = 2 + 1 = 3, so overall order is 3. Q.2: Unit of the rate constant k for a first-order reaction is: (a) mol L−1 s−1 …
Class 12 Chemistry Chapter 3 Chemical Kinetics MCQs Updated 2025 Read More »
Class 12 Chemistry – Chapter 1: Solutions (MCQs) Click “Show Answer” to reveal the correct option and explanation Q.1 Which of the following is a colligative property? (a)Vapour pressure of solvent (b)Relative lowering of vapour pressure (c)Viscosity (d)Surface tension Show Answer Answer: (b) Relative lowering of vapour pressure Explanation: Colligative properties depend only on particle …
Class 12 Chemistry Chapter 1 Solutions MCQs Updated 2025 Read More »
Dear students, Welcome to Mynoteswala. here, we provide MCQ for class 12 chemistry to boost your knowledge. Each chapter has Multiple Choice Questions (MCQs) and answers which are designed according to latest NCERT syllabus, these MCQs cover key concepts and help in quick revision. Perfect for self-assessment, they ensure you’re well-prepared for your board exams. …
MCQs for Class 12 Chemistry Chapter Wise with Answers Read More »
Class 12 chemistry MCQs with correct option and explanation. These MCQs are based on the CBSE board Class 12 chemistry syllabus. with the help of these Multiple choice questions, students will be able to quickly review topics covered and prepare for the Class 12 board exam as well as other entrance exams such as NEET …
Class 12 Chemistry Chapter 2 Electrochemistry MCQs Updated 2025 Read More »
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