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  • JEE QUESTION SOLVER
    AI-powered JEE problem solver with step-by-step solutions.
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    Let's approach this question step-by-step to determine which molecule has the lowest dipole moment among NF3, CO2, and ClF3. ### Step 1: Understanding Dipole Moment Dipole moment is a measure of the separation of positive and negative charges in a molecule. It depends on the difference in electronegativity between the atoms and the geometry of the molecule. ### Step 2: Analyzing Each Molecule #### 1. **NF3 (Nitrogen Trifluoride)** - **Geometry**: Trigonal pyramidal. - **Electronegativity**: Nitrogen (3.0) and Fluorine (4.0). - **Dipole Moment**: The bond dipoles do not cancel out completely due to the asymmetric shape, resulting in a net dipole moment. #### 2. **CO2 (Carbon Dioxide)** - **Geometry**: Linear. - **Electronegativity**: Carbon (2.5) and Oxygen (3.5). - **Dipole Moment**: The bond dipoles are equal and opposite, canceling each other out, resulting in a net dipole moment of zero. #### 3. **ClF3 (Chlorine Trifluoride)** - **Geometry**: T-shaped. - **Electronegativity**: Chlorine (3.0) and Fluorine (4.0). - **Dipole Moment**: The bond dipoles do not cancel out completely due to the asymmetric shape, resulting in a net dipole moment. ### Step 3: Comparing Dipole Moments - **NF3**: Has a net dipole moment due to its trigonal pyramidal shape. - **CO2**: Has a net dipole moment of zero due to its linear and symmetric structure. - **ClF3**: Has a net dipole moment due to its T-shaped structure. ### Step 4: Conclusion Among NF3, CO2, and ClF3, **CO2** has the lowest dipole moment because its bond dipoles cancel each other out due to its linear and symmetric structure. ### Summary - **CO2** has the lowest dipole moment (zero) because of its linear and symmetric structure. - **NF3** and **ClF3** have net dipole moments due to their asymmetric shapes. This approach is straightforward and easy to understand, focusing on the geometry and symmetry of the molecules to determine the dipole moment.
  • JEE PREPARATION AI
    Your AI mentor for IIT-JEE success
    Open
    Scoring 180+ in JEE Mains in just 20 days is challenging but achievable with a focused and strategic approach. Here’s a step-by-step plan tailored for both full syllabus and 12th syllabus preparation: --- ### **Step 1: Analyze the Syllabus and Prioritize Topics** 1. **Full Syllabus**: Focus on high-weightage topics and your strong areas. - **Physics**: Kinematics, Laws of Motion, Work, Energy & Power, Rotational Motion, Gravitation, Thermodynamics, Waves, Electrostatics, Current Electricity, Magnetism, Optics, Modern Physics. - **Chemistry**: Atomic Structure, Chemical Bonding, Thermodynamics, Equilibrium, Redox Reactions, Organic Chemistry (Basics, Hydrocarbons, Alkyl Halides, Alcohols, Phenols, Ethers), Coordination Compounds, Biomolecules, Polymers, Chemistry in Everyday Life. - **Mathematics**: Quadratic Equations, Complex Numbers, Matrices & Determinants, Calculus (Limits, Continuity, Differentiation, Integration), Probability, Vectors, 3D Geometry, Coordinate Geometry. 2. **12th Syllabus**: Focus on 12th-grade topics as they carry more weight. - **Physics**: Electrostatics, Current Electricity, Magnetism, Optics, Modern Physics. - **Chemistry**: Organic Chemistry, Coordination Compounds, Biomolecules, Polymers, Chemistry in Everyday Life. - **Mathematics**: Calculus, Probability, Vectors, 3D Geometry. --- ### **Step 2: Create a Daily Study Plan** Divide your 20 days into 3 phases: 1. **Phase 1 (Days 1-10)**: Revise all topics and solve NCERT-based questions. 2. **Phase 2 (Days 11-15)**: Practice previous year questions and mock tests. 3. **Phase 3 (Days 16-20)**: Focus on weak areas and take full-length mock tests. --- ### **Step 3: Study Resources** 1. **Books**: - **Physics**: HC Verma, DC Pandey. - **Chemistry**: NCERT, OP Tandon (Physical & Organic), MS Chauhan (Organic). - **Mathematics**: RD Sharma, Arihant, NCERT. 2. **Online Resources**: - **YouTube Channels**: Physics Wallah, Unacademy JEE, Vedantu JEE. - **Free Study Material**: Telegram channels like "JEE Materials" or "JEE Handwritten Notes". - **Mock Tests**: NTA Abhyas App, Embibe, Allen Test Series. --- ### **Step 4: Practice and Mock Tests** 1. Solve **previous year JEE Mains papers** (2019-2023). 2. Take **mock tests** daily to improve speed and accuracy. 3. Analyze your mistakes and revise weak topics. --- ### **Step 5: Time Management** 1. **Daily Schedule**: - Morning (6 AM - 9 AM): Physics. - Late Morning (9:30 AM - 12:30 PM): Chemistry. - Afternoon (2 PM - 5 PM): Mathematics. - Evening (6 PM - 9 PM): Mock Test + Analysis. 2. **Short Breaks**: Take 10-15 minute breaks after every 1.5 hours. --- ### **Step 6: Focus on Weak Areas** 1. Identify weak topics from mock tests and revise them thoroughly. 2. Use **short notes** for quick revision. --- ### **Step 7: Stay Motivated and Healthy** 1. **Sleep**: 6-7 hours daily. 2. **Diet**: Eat healthy and stay hydrated. 3. **Exercise**: Light exercise or yoga to stay active. --- ### **Step 8: Last-Minute Tips** 1. Revise **formulas**, **concepts**, and **short tricks**. 2. Focus on **high-weightage topics**. 3. Stay calm and confident during the exam. --- ### **Free Resources Links** 1. **NTA Abhyas App**: [Download Here](https://abhyas.nta.ac.in/) 2. **Previous Year Papers**: [Download Here](https://jeemain.nta.nic.in/) 3. **Telegram Channels**: Search for "JEE Materials" or "JEE Handwritten Notes". --- ### **Motivational Quote** "Success is no accident. It is hard work, perseverance, learning, studying, sacrifice, and most of all, love for what you are doing." – Pelé --- Follow this plan diligently, and you can achieve your target of 180+ in JEE Mains. All the best!
  • Emotional AI
    Your empathetic digital companion.
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