4. Electrochemistry (Part 1) (1/3) (Cambridge IGCSE Chemistry 0620 for 2023, 2024 & 2025)

This video summarises what you need to know about part 1 (1 of 3) of topic 4 Electrochemistry from the Cambridge IGCSE syllabus of Paper Chemistry 0620, for exams in 2023,2024 and 2025.

00:00 Welcome
00:12 Please Subscribe
00:31 Electrolysis
01:40 Cations & Anions
05:15 Predicting the Products of Electrolysis
06:32 Ionic Half Equations
08:24 Super Thanks

[MohammedElfatih-skhf]

the whole syllabus should be uploaded before may june please

[khubaibhaseeb]

HEY MS. STUDY BUDDY! HOPE YOU ARE DOING ALL FINE :)

PLEASE TRY TO FINISH THE CHEMISTRY SYLLABUS BEFORE THE MAY/JUNE 2024 SERIES.

YOU ARE A GUIDING LIGHT FOR US. ❤💯

[mahreeniftikhar]

Your videos really helped me with preparing for biology, hope you can publish the whole syllabus for chem till April :)

[sunilfrancis]

Your efforts are praiseworthy, continue it to help children .plz also make video on alternate to practical topics given in igcse chemistry book perhaps last two chapter.

[keansanchin]

This transcript from the video on electrochemistry covers the basics of **electrolysis** and the related terms and processes:

1. **Electrolysis**: Decomposition of an ionic compound (molten or aqueous) by electric current.
- The compound needs to be melted or dissolved for ions to move.

2. **Electrodes**:
- **Electrode**: A conductor allowing current to enter or leave an electrolyte.
- **Cathode**: Negative electrode; attracts positive ions (cations).
- **Anode**: Positive electrode; attracts negative ions (anions).

3. **Electrolyte**: Molten or aqueous ionic substance that undergoes electrolysis.

4. **Ions**:
- **Cations**: Positive ions that move to the cathode.
- **Anions**: Negative ions that move to the anode.

5. **Oxidation and Reduction**:
- **Oxidation** (at the anode): Loss of electrons.
- **Reduction** (at the cathode): Gain of electrons.
- Mnemonic: **OIL RIG** (Oxidation Is Loss, Reduction Is Gain).

6. **Products of Electrolysis**:
- **At the anode**: Negative ions lose electrons (oxidation).
- **At the cathode**: Positive ions gain electrons (reduction).
- Example: In molten sodium chloride, Na⁺ ions move to the cathode (forming sodium metal), Cl⁻ ions move to the anode (forming chlorine gas).

The video introduces these concepts to help with understanding electrochemistry, focusing on the flow of electrons and the reactions that occur at the electrodes.

[LesangSetso-by]

I'm really grateful for you STUDY BUDDY.I didn't understand anything in class but you managed to be of assistance ♥️now I understand this concept!!!!

Shout out to you ❤😊

[aineeshahzad]

Your videos helped me a lot with my chemistry

[Unknown_]

Please upload all the content before may June series

[_bibi]

Thank you so much for all these videos and I really appreciate the amount of effort you put into these!
They really really do helped and still helping me for my difficult yet interesting igcse journey.
Please keep it up!

[Hussain-lqmb]

Can you please finish the electrochemistry part 2 please

[Unknown_]

Hey can u please upload organic chemistry

[lucy]

Pls Chem exam tmmrw, ur videos help sm 😭 🙏

[renudadhich]

hiii can u plss make a video of igcse chem atp topics and how to score a A* in igcse chem and bio

[Bunnygirl]

Hi Mam,
I have a question please
4:43, why cations gain electrons at cathode while they have + charge and anion lose electrons at anode when they have -charge ?

[naishakapoor-ezcf]

hii, your videos are extremely helpful but I had a few questions on this topic, from which electrode does the electric current enter and leave the electrolytic cell? And why is the "e-" symbol written near the anode in a simple diagram of an electrolytic cell?

[FafiDibssi]

Please upload more it’s really helpful thank you ❤

[anayjhaveri]

Dear igcse study buddy
I am a big fan of you but can you please upload all videos before my board exam starts .

[aineeshahzad]

So please be fast in uploading videos ❤❤❤❤❤

[aineeshahzad]

So please be fast in uploading videos ❤❤❤❤❤

[aineeshahzad]

So please be fast in uploading videos ❤❤❤❤❤