OCR AS Chemistry (F322)

Answer the 23 questions WITHOUT a book

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  • Created by: gug
  • Created on: 04-04-12 15:49
What is a functional group?
Part of the molecule responsible for chemical reactions
1 of 18
What is the structural formula of butanal?
CH3CH2CH2CHO
2 of 18
What is homolytic fission?
Breaking of covalent bond and 1 of bonded atoms getting both electrons from electron pair
3 of 18
What is an electrophile?
an electron pair acceptor
4 of 18
How does fractional distillation work?
Separates components in liquid mixture by their boiling points
5 of 18
Alkanes undergo .............. reactions
radical substitution
6 of 18
A ......... bond in an alkene is the most reactive part of the..........
pi double bond
7 of 18
What is the test for unsaturation?
Bromine
8 of 18
What is the monomer of polyethene?
ethene
9 of 18
What is the functional group in an alcohol?
OH
10 of 18
What is reflux?
Continual boiling and condensing
11 of 18
An ester is formed when an alcohol reacts with a.............
carboxylic acid
12 of 18
What bond would be present if the only peak, on an infrared spectrum, was at about 1740 cm/1?
C=O
13 of 18
What are standard conditions?
pressure of 100kPa, conc of 1 mol and temp of 298K
14 of 18
Standard enthalpy of combustion is..........
enthalpy change when 1 mole of substance reacts completely with O2, under standard conditions and standard states
15 of 18
Vanadium oxide is the catalyst used in...........process
Contact
16 of 18
The greenhouse effect is.....
the reaction in a closed system where forward rate is the same as backward rate
17 of 18
What radicals in CFC's cause ozone depletion?
Cl.
18 of 18

Other cards in this set

Card 2

Front

What is the structural formula of butanal?

Back

CH3CH2CH2CHO

Card 3

Front

What is homolytic fission?

Back

Preview of the front of card 3

Card 4

Front

What is an electrophile?

Back

Preview of the front of card 4

Card 5

Front

How does fractional distillation work?

Back

Preview of the front of card 5
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Comments

Bhavik

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Really helpful! Thanks!

jess15

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All very good except for question 3 the definition that you say is correct is for heterolytic fission not homolytic fission **

gug

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daisy wrote:

All very good except for question 3 the definition that you say is correct is for heterolytic fission not homolytic fission **

 Oh Yeah, thanks!!

Craig

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Question 20, the question is supposed to be about dynamic equilibrium

Precious Osagiator-Obude

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very good thank you

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