The curved arrows follow one another across the page, yet the conclusion is wrong.

A student rereads the mechanism, changes a sign, then hesitates again.

The exam is approaching, and every point now counts for more.

Between a human tutor and an AI, the gap sometimes seems small.

Both are quick to explain, suggest steps and provide answers.

But in organic chemistry, the accuracy of the path is just as important as the arrival.

Recent studies warn that AI hallucinates complex mechanisms.

On certain sequences, the complete accuracy can fall to around 28%.

It also confuses nucleophiles and electrophiles in more subtle cases.

The private lessons in organic chemistry are aimed precisely at this controlled reasoning.

Why is organic chemistry such a strong filter in the medical entrance exam?

Since the 2023 reform, the exam has become a competitive examination.

It's no longer enough to «pass», you have to make the quota.

In 2025, the average chemistry score for medicine candidates was 6.9/20.

This rating makes it a filter subject, on a par with physics and maths.

Overall, around 35% were eligible to enter medicine in 2025.

In dentistry, selectivity was higher, with around 15.8% admitted.

The next centralised deadline for the competition is 27 August 2026.

After January, the calendar leaves little room for improvisation.

From rote to mechanism, the real change in first year

At secondary school, learning a formula is often enough to get points.

At university, organic chemistry requires a logical sequence of steps.

We need to visualise in 3D, especially for stereochemistry and conformations.

A good example is substitution, where the orientation changes the final result.

Without spatial vision, SN1 and SN2 appear identical, but are not.

Private lessons in organic chemistry teach you to read diagrams in a structured way.

The aim is to predict, not recite, what will happen to the substrate.

Sometimes two reactions are similar, but diverge because of a solvent.

Avoiding the AI trap when pushing arrows

AI can help with simple nomenclature or short MCQs.

But it becomes risky as soon as the mechanism has several possible choices.

It can invent an intermediary, or justify a step that is physically impossible.

In an examination, a single inconsistent arrow makes the whole mechanism fragile.

Private lessons in organic chemistry provide a framework for the verification method.

The charge, stability, regioselectivity and stereochemistry are checked.

A gentle question then arises, before stalling any further.

And what if the best help came from learning to control yourself?

After January, we need to act quickly before the second half accelerates

The second semester often introduces more synthesis-oriented Organic Chemistry II.

It builds entirely on the foundations of the first semester, without a break.

A failure in January often signals a gap in the foundations, not a lack of hours.

Correction involves new exercises, not repeated rereading.

Educational reports highlight the effectiveness of active recall and training.

You learn by solving, making mistakes and then correcting the logic.

A simple approach to making progress with mechanisms

• First identify the nucleophile, electrophile and plausible leaving group at each stage.
• Draw the arrows, taking into account loads, bytes and stabilisation of intermediates.
• Test the nearest alternative, then explain why it really fails.
• Conclude with the expected stereochemistry, especially in SN2 and additions.
• Repeat a similar exercise, without notes, to check active memorisation.

Looking ahead to the next stage

The pressure of the competition will continue to push organic chemistry to the forefront.

As the subjects become more complex, the rigour of the mechanism remains decisive.

In 2026, candidates who consolidate their bases early on will win lasting points.

Private tuition in organic chemistry will then retain a clear role, that of accelerating a reliable method.

Need help with organic chemistry? Contact us now. We're here to help.