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Research: Use the internet to find about 1 of the following.

Create 1 page infographic.

1. Carbonyl Compounds in Daily Life

Examples:

Cinnamaldehyde in cinnamon bark,Citra in lemongrass and vanillin in vanilla bean

Cinnamaldehyde (Cinnamon Bark) – The aldehyde (-CHO) group in cinnamaldehyde contributes to its characteristic spicy aroma and reactivity. It influences flavor perception and participates in various chemical reactions, including antioxidant and antimicrobial activity.

Citral (Lemongrass) – The aldehyde (-CHO) group in citral is responsible for its strong lemon-like scent. It also makes citral highly reactive, allowing it to be used in fragrance synthesis and as a precursor for vitamin A production.

Vanillin (Vanilla Bean) – The aldehyde (-CHO) group in vanillin is crucial for its sweet, creamy aroma. It interacts with taste receptors to create the characteristic vanilla flavor and is also involved in various food chemistry reactions, such as Maillard browning.

2. Medicinal Applications

Examples:

Explore the use of aldehydes or ketones in medicine (e.g., formaldehyde in vaccines, cortisone containing a ketone group for inflammation).

Explain why these compounds are effective in their applications.

3. Environmental or Green Chemistry Angle

Examples:

Investigate how green chemistry principles are applied to processes involving aldehydes or ketones (e.g., bio-based production of acetone, reducing waste in formaldehyde production).

Provide a short example of an eco-friendly innovation.

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1. Bradys test

2. Fehling test

3. Ketone

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Ketone

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(Individual) All 4 students must submit their discussion separately.  Write your name as the subject 

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(Individual) All 4 students must submit their discussion separately.  Write your name as the subject 

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Record a 30s video saying what you have learned or gained from this experiment.

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You are required to fill in the blanks and make correct equation..

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ALI LUQMAN HASHEMI BIN AGUSSALIM

MUHAMMAD HAFIZUDDIN BIN IKHWANUL JAZMI

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4.Brick red precipitate

5.the precipitate turn white

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(Group) List ONE problem encountered for this experiment 

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(Group) List ONE problem encountered for this experiment 

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the volatility and strong odors of some compounds, which can cause evaporation losses and discomfort in the laboratory. Proper ventilation and careful handling are required to minimize exposure and ensure accurate results.

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(Group) Identify two precautions to improve the reliability of the experiment al results 

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(Group) Identify two precautions to improve the reliability of the experiment al results 

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MUHAMMAD FARIZ BIN FIRDAUS SIMON

AZYFF SHAZREL BIN NOOR AZLI

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Stopper

Dropper

Test tube

Boiling tube

Water bath

themometer

cylinder (measuring cylinder 5 mL)

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Ethanal

Benzaldehyde

Propanone

Unknown Y

5% NH3

10% NaOH

0.3 M AgNO3

2,4-dinitrophenylhydrazine

Fehling’s solution

I2 in KI solution

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Ali

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1.The functional group for aldehydes and ketones is carbonyl

2.Aldehydes and ketones can be classified as organic compound

3. 2,4-DNPH test forms yellow/orange precipitate

4. Tollens test(silver mirror) and Fehlings test

5. Tollens test(aromatic react slowe)

Fehlings test (aliphatic gives positive result

6. Detecy compound with - COCH3 groups forming yellow CHI3 precipitate

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2) 2,4 - dinitrophenylhydrazine

3) Ethanal

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Ali 1

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Ali 2

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Ali 3

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Ali 4

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Uses of aldehydes and ketones: Compounds, different uses, videos, Q&A. (2019, November 27). Toppr-guides. https://www.toppr.com/guides/chemistry/aldehydes-ketones-carboxylic-acids/uses-of-aldehydes-and-ketones/#:~:text=Compounds%20of%20plants%20and%20microorganisms,and%20camphor%20in%20camphor%20trees.

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Fariz A,B

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Fariz C,D

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1. Yellow Precipitate and Functional Group in M

(a) Name of the yellow precipitate and its molecular formula:

The yellow precipitate is iodoform.

Molecular formula: CHI₃

(b) Functional group present in M:

The functional group present in M is the carbonyl group (C=O).

2. Chemical Test to Distinguish Between Propanal and Propanone

Suggested Test: Tollens’ Test

Propanal is an aldehyde and reacts with Tollens’ reagent to form a silver mirror on the inner surface of the test tube.

Propanone is a ketone and does not react with Tollens’ reagent, so no silver mirror is formed.

3. Solubility of Propanol and Propanone in Water

Both propanol and propanone are highly soluble in water due to their ability to form hydrogen bonds with water molecules.

Propanol contains a hydroxyl (-OH) group, which can form strong hydrogen bonds with water.

Propanone has a carbonyl (C=O) group, which can interact with water through hydrogen bonding, though less effectively than propanol.

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We have learned how to differentiate aldehyde and ketones from brady’s test,fehling test,tollens test and iodoform test

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Ali , hafizuddin

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Azyff and fariz