Dodge these 5 common mistakes to boost your scores

👉 1st mistake: Application of the q = mc deltaT formula, where m is the mass of water/solution, usually assuming the density of water/solution to be 1g/cm3. Delta T represents the temperature change, and there's no need to change the units.

👉 2nd mistake: Units for Gibbs free energy and enthalpy are typically kJ/mol, while entropy units are usually J/mol/K. Pay attention to converting them to the same units during calculations.

👉 3rd mistake: The ⦵ symbol on G, H, and S indicates standard conditions, which is differ from r.t.p.

👉 4th mistake: Differences between Lewis structure and dot-cross diagram

👉 5th mistake: When explaining the major product formed in an electrophilic addition, stability of the carbocation is the key. Quoting Markovnikov’s rule is not enough.

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