End of chem topics

how is an ester formed?
reacting a carboxylic acid with an acohol
1 of 49
State one way a carboxylic acid can be formed
add a mildly oxidising agent to an alcohol
2 of 49
What's the general formula for an alcohol?
CnH2n+1OH
3 of 49
What function group do alcohols have?
They always end in O-H
4 of 49
How are esters used in industry?
In perfumes and artificial flavouring
5 of 49
What can the reaction between a carboxylic acid and an alcohol be catalysed by?
A concentrated acid
6 of 49
What is an esters name made up of?
1st the alcohol used and 2nd the carboxylic acid used
7 of 49
What carboxylic acid is in vinegar?
Ethanoic acid
8 of 49
What is the function group for carboxylic acids?
C-O-O-H
9 of 49
define homologus
A group of chemicals which all have the same general formula and have very similar properties
10 of 49
What is the carboxylic acid in an orange?
Ascorbic acid (vitamin C)
11 of 49
What is the functional group of an ester?
C-O-O
12 of 49
what is a disadvantage of producing ethanol through fermentation?
Not very concentrated
13 of 49
What is the name of the process in which ethane reacts with steam to produce ethanol?
Hydration
14 of 49
What is an advantage of producing ethanol by fermetation?
It is renewable
15 of 49
what do metals react with to form insoluble hydroxides?
Sodium hydroxide
16 of 49
if a sample reacted with sodium hydroxide turns blue, what was the sample?
Copper
17 of 49
if a sample reacted with sodium hydroxide turns reddy brown, what was the sample?
Iron(iii)
18 of 49
what solution is added to a sample if detecting halide ions?
silver nitrate
19 of 49
What colour precipitate indicates Bromide ions are present when silver nitrate is added?
Cream
20 of 49
What colour precipitate indicates iodide ions are present when silver nitrate is added?
Pale yellow
21 of 49
what does adding barium chloride to a sample including sulfate ions produce?
White insoluble precipitation of barium sulphate
22 of 49
What is added to a sample to test for nitrate ions?
Sodium hydroxide and aluminium powder
23 of 49
What are the reactants used in the Haber process?
Nitrogen and hydrogen
24 of 49
What is the symptom of nitrogen deficiency in plants?
Yellow leaves
25 of 49
Is ammonia solution acid or alkaline?
alkaline
26 of 49
what ion does ammonia solution contain?
OH-
27 of 49
Is ammonium nitrate organic or inorganic?
inorganic
28 of 49
Is the best yield of ammonium nitrate obtained at slow or high temperature?
Low
29 of 49
what type of catalyst is ammonia produced over?
iron
30 of 49
What type of reaction occurs when making ammonia?
Exothermic
31 of 49
what is the chemical equation for the Haber process?
N2 + 3H2 = 2NH3
32 of 49
What colour does ammonia turn litmus paper?
Blue
33 of 49
How do you test for a sulphate?
Add HCL and then Barium chloride
34 of 49
what is the word equation for ethanol produced by fermentation?
Sugar= Carbon dioxide + ethanol
35 of 49
When bonds are formed is energy released or take in?
released (exothermic)
36 of 49
what is the loop in the flame test made of?
Nichrome
37 of 49
What temperature is used in the Haber process?
450
38 of 49
what pressure is used in the Haber process?
200 atmospheres
39 of 49
what colour flame does lithium create?
Crimson
40 of 49
what happens to equilibrium when you decrease pressure?
It shifts in favour of the side with most molecules
41 of 49
what does the flame test identify?
Group 1 and 2 metal
42 of 49
what does adding dilute HCL and then barium identify?
Sulfates
43 of 49
what colour compound does iron(iii) sulphate produce?
brown
44 of 49
What colour flame does barium create?
Green
45 of 49
What colour flame does potassium create?
lilac
46 of 49
what colour flame does calcium create?
Brick red
47 of 49
What colour flame does lithium create?
Scarlet
48 of 49
what colour precipitate does iron(iii) give when reacted with NaOH?
green
49 of 49

Other cards in this set

Card 2

Front

State one way a carboxylic acid can be formed

Back

add a mildly oxidising agent to an alcohol

Card 3

Front

What's the general formula for an alcohol?

Back

Preview of the front of card 3

Card 4

Front

What function group do alcohols have?

Back

Preview of the front of card 4

Card 5

Front

How are esters used in industry?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Haber and industrial processes resources »