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Most asked questions

Tuition and Chemistry Crash Course

Frequently asked questions Q: When is it too late to go for chemistry tuition? A: There’s no deadline that says it’s too late to go for tuition. However, a good gauge would be to look at your test scores. If you consistently failed your tests and give yourself excuses, the time will come when you […]

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H2 Chemistry Tuition

H2 Chemistry Tuition Q: Why isn’t there group tuition for H1 Chemistry like for H2 Chemistry Tuition? A: Because there isn’t enough demand to form a group, so usually we try to give 1-on-1 private tuition. However, if you are able to bring along 2 more friends, we will open up a new slot for […]

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Strength of Hydrogen Bond

Strength of Hydrogen Bond Qn: Which of these compounds has the strongest hydrogen bond, HF, H2O or NH3? How do we estimate the strength of hydrogen bond? Ans: HF. Due to the largest electronegativity difference between H and F. Followed by H2O and then NH3. Qn: But then why does water have the highest boiling […]

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Common mistake in drawing hydrogen bond

Common mistakes in drawing hydrogen bond One of the most common mistakes is to write the dipole across the hydrogen bond, e.g. A dipole exists as a pair, partial positive and partial negative. It also depicts the uneven electron density distribution in a covalent bond thus it first forms in a single molecule where the hydrogen […]

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