Top answers

Chemistry
GCSE

An unknown compound burns with a lilac flame and produces a yellow precipitate when mixed with dilute nitric acid and silver nitrate. Give the formula of the compound.

(Talk about needing to memorise colour tests for base metals and tests for Halides) The compound is KI (potassium Iodide) because potassium compounds burn with a lilac flame, and production a pale yellow ...

MH
Answered by Matthew H. Chemistry tutor
11485 Views

How does Le Chatelier's principle work when the pressure is changed?

First of all, it is important to note that changing the pressure will only affect the gas molecules in the reaction. Taking a simple equilibrium equation such as:

2SO2 (g) + O2 (g) ...

GH
3667 Views

What is made when an acid is added to an alkali?

Acid + Alkali --> Salt + Water Hydrochloric Acid + Sodium Hydroxide --> Sodium Chloride + Water

VJ
2528 Views

Write the sponification reaction

(Will show actual reaction written down and through webcam) Fatty acid + 3 base -> 3 soap + glycerine

CV
Answered by Clara V. Chemistry tutor
2563 Views

Name or formulate these compounds: i)CH3CH2CH(CH3)COOH ii)CH3CH2COCH3 iii) 3-hydroxy-2-pentanone iv) 1-propanamine

i) 2-methylbutanoic acid ii) Butanone iii)CH3CH2CH(OH)COCH3 iv) CH3CH2CH2NH2

CV
Answered by Clara V. Chemistry tutor
16419 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences