Summary
Summary All the tests you need to know
- Module
- Unit 3.3.3 - Halogenoalkanes
- Institution
- AQA
This document contains the tests and methods for all important tests for certain metals/components.
[Show more]
Seller
Follow
Content preview
All Tests You Need To KnowName Method Positive Outcome Risk As-
sessment
Benedict’s solution + Fehling’s solution Aldehyde = blue solution will Fehling’s solution =
Aldehyde + Ketone 1. Add 2 cm Fehling’s or Benedict’s solution give a red precipitate corrosive
3
to a test tube (it should be blue) Ketone = nothing Benedict’s solution =
2. Add 5 drops of the aldehyde or ketone irritant
3. Put the test tube in a hot water bath
Tollens’ Reagent
1. Put 2 cm3 of 0.10 mol dm−3 silver nitrate so- Aldehyde = silver mirror Tollens’ reagent =
lution in a test tube Ketone = Nothing explosive + an irri-
2. Add a few drops of dilute sodium hydroxide tant
solution (light brown precipitate should Sodium hydroxide =
form) corrosive + harmful
3. Add drops of dilute ammonia solution until
the brown precipitate dissolves completely
4. Place the test tube in a hot water bath
5. Add 10 drops of the aldehyde/ketone
6. Wait for a few minutes
1. Add 2 cm3 of the solution you want to test to Carboxylic acid = solution will Sodium carbonate +
Carboxylic Acid a test tube fizz. Limewater will turn cloudy limewater are irri-
2. Add 1 small spatula of solid sodium carbon- tants
ate (or 2 cm3 of sodium carbonate solution) Not carboxylic acid = nothing
3. If the solution begins to fizz, bubble the gas happens
produced through some limewater in a sec-
ond test tube
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller hayleylangman. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £3.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
53340 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now