Lawrie Ryan and Roger Norris Solutions for Chapter: Carbonyl Compounds, Exercise 7: Question

Author:Lawrie Ryan & Roger Norris

Lawrie Ryan Chemistry Solutions for Exercise - Lawrie Ryan and Roger Norris Solutions for Chapter: Carbonyl Compounds, Exercise 7: Question

Attempt the practice questions on Chapter 18: Carbonyl Compounds, Exercise 7: Question with hints and solutions to strengthen your understanding. Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years) solutions are prepared by Experienced Embibe Experts.

Questions from Lawrie Ryan and Roger Norris Solutions for Chapter: Carbonyl Compounds, Exercise 7: Question with Hints & Solutions

HARD
AS and A Level
IMPORTANT

The melting points of the derivatives of the reaction between 2,4-DNPH and various aldehydes and ketones are shown in the table. 

Describe your observations when each of the carbonyl compounds in the table is mixed with 2,4-DNPH. 

HARD
AS and A Level
IMPORTANT

Write a half equation to show silver ions acting as an oxidising agent in a positive test for an aldehyde.

MEDIUM
AS and A Level
IMPORTANT

Write a half equation to show copper (II) ions acting as an oxidising agent in a positive test for an aldehyde.