d and f Block Elements Complete | Day 8 | PRAHAR 2.0 Free Class 🔥 скачать в хорошем качестве

d and f Block Elements Complete | Day 8 | PRAHAR 2.0 Free Class 🔥

🔥 PRAHAR 2.0 MARATHON - DAY 8 🔥 d and f Block Elements Complete Chapter | Class 12 Chemistry CBSE/ISC Board 2026 📅 Live Session Date: 9th February 2026 ⏰ Time: 7:00 PM - 8:15 PM (75 Minutes) 💰 Fees: 100% FREE ━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📚 WHAT YOU'LL LEARN TODAY ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✅ d-BLOCK ELEMENTS (Transition Metals) (0-40 min) GENERAL PROPERTIES: • Electronic Configuration (3d, 4d, 5d series) • Variable Oxidation States ⚡ (Most Important!) • Formation of Colored Compounds 🔥 Cu²⁺ (Blue), Fe³⁺ (Yellow), Mn²⁺ (Pink) Cr³⁺ (Green), Co²⁺ (Pink), Ni²⁺ (Green) • Magnetic Properties (Paramagnetic) • Catalytic Properties • Formation of Complex Compounds • Interstitial Compounds • Alloy Formation TRENDS IN d-BLOCK: • Atomic & Ionic Radii • Ionization Energy • Melting & Boiling Points • Density • Standard Electrode Potential IMPORTANT COMPOUNDS: • K₂Cr₂O₇ (Potassium Dichromate) • KMnO₄ (Potassium Permanganate) • Chromyl Chloride Test (CrO₂Cl₂) ✅ f-BLOCK ELEMENTS (Lanthanoids & Actinoids) (40-60 min) LANTHANOIDS (4f series): • Electronic Configuration ([Xe] 4f¹⁻¹⁴ 5d⁰⁻¹ 6s²) • Lanthanoid Contraction ⚡ (Board Favorite!) • Oxidation States (+3 most common) • Magnetic Properties • Color (Pale colors) ACTINOIDS (5f series): • Electronic Configuration ([Rn] 5f¹⁻¹⁴ 6d⁰⁻¹ 7s²) • Variable Oxidation States (more than lanthanoids) • Radioactivity • Comparison with Lanthanoids ✅ Problem Solving & Concepts (60-70 min) • Electronic Configuration Practice • Oxidation State Determination • Color Explanation (d-d transitions) • Magnetic Moment Calculations • Lanthanoid Contraction Applications ✅ Board PYQs Solved (70-73 min) 🎯 • 2024: Variable Oxidation States (3 marks) • 2023: Lanthanoid Contraction Explanation • 2022: Colored Compounds Reason • 2026 Predicted: K₂Cr₂O₇ vs KMnO₄ Comparison ✅ Rapid Fire + Q&A (73-75 min) • Formula Sheet (All Key Trends) • Comparison Tables • Color Chart (All Ions) • Live Doubt Clearing ━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎯 WHY THIS CHAPTER IS CRITICAL ━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📊 Board Exam Weightage: 5-6 Marks (High Priority!) 📊 Theory Questions: 3-4 Marks (Properties & Trends) 📊 Reasoning: 2-3 Marks (Why colored? Why variable oxidation?) 📊 MCQ Section: 2-3 Questions Expected 🔥 Most Repeated Topics in Board 2026: 1. Variable Oxidation States (With Examples) 2. Formation of Colored Compounds (d-d transitions) 3. Lanthanoid Contraction (Definition + Consequences) 4. Catalytic Properties of Transition Metals 5. K₂Cr₂O₇ and KMnO₄ Properties ━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📅 PRAHAR 2.0 COMPLETE SCHEDULE ━━━━━━━━━━━━━━━━━━━━━━━━━━━ Day 1 | Feb 2 | Haloalkanes & Haloarenes ✅ Day 2 | Feb 3 | Chemical Kinetics ✅ Day 3 | Feb 4 | Electrochemistry ✅ Day 4 | Feb 5 | Aldehydes, Ketones & Carboxylic Acids ✅ Day 5 | Feb 6 | Alcohols, Phenols & Ethers ✅ Day 6 | Feb 7 | Amines ✅ Day 7 | Feb 8 | Coordination Compounds ✅ Day 8 | Feb 9 | d & f Block Elements ✅ Day 9 | Feb 10 | Solutions Day 10 | Feb 11 | Biomolecules Day 11 | Feb 12 | Polymers + Chemistry in Everyday Life ⏰ All Sessions: 7:00 PM Daily 💯 Target: 100/100 in Chemistry ━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📲 JOIN PRAHAR 2.0 COMMUNITY ━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📱 WhatsApp: 9336366995 📢 Telegram: [Your Channel Link] 📸 Instagram: @chemistrypointnk 🔔 Subscribe & Press Bell Icon for Reminders ━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💬 COMMENT SECTION CHALLENGE ━━━━━━━━━━━━━━━━━━━━━━━━━━━ Drop "DAY 8 COLORFUL 🌈" + Your Name + Favorite Colored Ion Example: "DAY 8 COLORFUL 🌈 | Amit Sharma | Cu²⁺ Blue" ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⏱️ TIMESTAMPS ━━━━━━━━━━━━━━━━━━━━━━━━━━━ 0:00 - Introduction & Day 7 Recap 3:00 - d-Block Introduction 8:00 - Electronic Configuration (3d, 4d, 5d) 12:00 - Variable Oxidation States ⚡ 20:00 - Colored Compounds (WHY?) 🔥 28:00 - Magnetic Properties 32:00 - Catalytic Properties 35:00 - K₂Cr₂O₇ and KMnO₄ 40:00 - f-Block Introduction 45:00 - Lanthanoid Contraction ⚡ 52:00 - Actinoids 58:00 - Lanthanoids vs Actinoids 60:00 - Problem Solving (Configurations) 70:00 - Board PYQs Solving Session 73:00 - Color Chart Recap 74:00 - Q&A + Day 9 Preview ━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔥 TRENDING HASHTAGS ━━━━━━━━━━━━━━━━━━━━━━━━━━━ #PRAHAR2 #dBlockElements #fBlockElements #Class12Chemistry #BoardExam2026 #ChemistryOneShot #CBSE2026 #ISCChemistry #ChemistryPointNK #TransitionMetals #LanthanoidContraction #ColoredCompounds #InorganicChemistry #ChemistryMarathon #100MarksInChemistry ━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔥 LET'S MASTER TRANSITION METALS! See You at 7:00 PM Today! 🔥 Set Your Reminder NOW! 🔔 ━━━━━━━━━━━━━━━━━━━━━━━━━━━