🧪 CET Chemistry Formula Sheet 📌 Posted by: Sarthak Prakash Patil 📅 Updated: July 2025

 📘 Important Chemistry Formulas for CET


Here is a quick reference formula sheet covering the most important topics in Chemistry for the CET entrance exam:

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🔹 Mole Concept


Number of moles = Given mass / Molar mass


Number of particles = Moles × Avogadro’s number


Molarity (M) = Moles of solute / Volume of solution (L)

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🔹 Chemical Reactions


Law of Conservation of Mass


Balancing Redox Reactions using oxidation number method


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🔹 Thermodynamics


ΔH = q (at constant pressure)


q = m × c × ΔT


ΔG = ΔH - TΔS

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🔹 Equilibrium


Kc = [products]^coefficients / [reactants]^coefficients


Le Chatelier's Principle


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🔹 Acids & Bases


pH = –log[H⁺]


Ka × Kb = Kw


pH + pOH = 14


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🔹 Electrochemistry


E°cell = E°cathode – E°anode


ΔG° = –nFE°cell


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🔹 Organic Chemistry


Functional groups identification


General formulas:


Alkane: CnH₂n+2


Alkene: CnH₂n


Alkyne: CnH₂n–2


Isomerism basics


Nomenclature rules (IUPAC)

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📥 Tip: Revise these formulas daily. Use flashcards or sticky notes for better recall.

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📌 Written by: Sarthak Prakash Patil

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