WorksheetsY13 Jan Mock Paper 2
Total questions: 21
Worksheet time: 17mins
Q2.
Which is the most important?
"Molecules are more soluble in water when they have more...
electrons
O atoms
carbonyls
OH groups
Q5.
The bromoalkanes can be synthesised using...
NaBr / H2SO4
NaBr
AgNO3
Br2
Q7.
The smallest bond angle involved in an alcohol will be (a) °
Q8.
TICK ALL THAT APPLY
alicyclic
Q10.
TICK ALL THAT APPLY
Which of these species could not react as a nucleophile?
H2O
H+
CH3OH
NH4+
CH3NHCH3
An (a) reaction can give (b) different (c) because multiple (d) (e) can have H attached
Q15(a)iv.
"Run off the organic liquid into a beaker then...
dry with CaCl2
add CaCl2 until it stops clumping
add anhydrous MgSO4
dry with anhydrous MgSO4
Q15(a)iv.
In purifying an organic liquid:
"Finally, ...
distill and collect the distillate at it's melting point
redistill and and collect the distillate in a flask underneath the delivery tube
redistill the organic liquid at the boiling point of the product
filter under reduced pressure and collect the crystals
TICK ALL THAT APPLY
homologous series is when molecules differ by CH2
waste polymers can be used for livestock
C-F bonds are more reactive than C-Br bonds because F is more electronegative
Chlorotrifluouro-methane = CF3Cl
Q16(d).
When CF3Cl catalyses the breakdown of ozone, this species is part of the propagation steps:
TICK ALL THAT APPLY
CF3•
F•
ClO•
OF2
Q16(e).
TICK ALL THAT APPLY
"This molecule has only London forces"
CH3CHBrCH3
CH3CH2CH3
(CH3)2CHCH3
CH3CH2SH
lowest to highest, put these in order of melting points
branched structure, London forces
London forces
Permanent dipole-dipole forces
a salt
hydrogen bonding
Q16(e).
(a) alkanes have more
(b) than (c) alkanes
Q17(a)i
A carboxylic acid can be confirmed by adding
(a) and observing (b)
Q17(a)ii.
Complete the balanced equation for the positive Tollen's reagent test
RCHO + _ → RCOOH
(a)
Q17(c)ii
An alcohol can be confirmed by adding
(a) and observing (b)
Q19(a)
TICK ALL THAT APPLY
Appropriate test to confirm something is a phenol:
Add indicator and observe acidity
Add NaOH
Add bromine water and observe decolourisation
Add carbonate and observe fizzing
TICK ALL THAT APPLY: What reagents are needed to reduce nitrobenzene to phenylamine?
Hydrogen
Concentrated HCl
Sodium borohydride
Tin
TICK ALL THAT APPLY:
H3PO4 is used...
for: alcohol→alkene
for: alkene→secondary alcohol
with distillation apparatus, for: alcohol→alkene
TICK ALL THAT APPLY: an alkene can be directly converted into...
an alkane
an alcohol
an aldehyde
a haloalkane
a dihaloalkane
TICK ALL THAT APPLY: a secondary alcohol can be directly converted into...
a haloalkane, by reaction with NaCl(aq) and H2SO4(aq)
a ketone, with reflux apparatus
a ketone, by reaction with Cr2O72–/H+, to give an orange solution
an aldehyde, with distillation apparatus
