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Pramana Learning

Short trick: hybridisation and shape from the steric number

By Kokil Jain, Chemistry faculty at Pramana Institute (IIT Kanpur, 14 years teaching) Chemical bonding is one of the most frequent Chemistry chapters in JEE Main, and NEET asks a shape or hybridisation question almost every year. Drawing Lewis structures for XeF₄ or I₃⁻ in the exam takes time and invites mistakes. One formula gives […]