Science Quiz / yr1 chemistry (episode VII)

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Defeating consumerism (via a ketamine addiction)

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HintAnswer
after refluxing a primary alcohol with acidified dichromate (VI) what is the colour of the solution?
a compound containing carbon, hydrogen and at least one halogen
PVC is also called
many alkene based polymers are (n____ b_____)
_____ absorbs most of the biologically damaging UV rays
o2 ------UV------> 2_
_____ of ozone allows more UV-B reach the surface
condition necessary for alcohol dehydration
no2. + o -> ___ + o2
product of synthesis of haloalkane from alcohol (/3)
in electrophilic addition, pi electrons interact with the electrons of the non polar molecule. _______ them
what feature of polymers makes them suitable for storing food or chemicals?
in the stratosphere, the ozone is continually formed and broken down by action of ____
more UV-B increases risk of (/2)
when recycling pvc, a s_____ is used to dissolve the polymer
usually a cation or molecule containing a partially positive charge
radical formed by photodissociation is a very reactive i_____
ozone layer is the outer layer of the ______
when hit by UV, carbon-halogen bonds split via _____ ______
chlorofluorocarbon use (/3) (s___)
prefix for a haloalkane containing fluorine
chlorofluorocarbon use (/3) (r_____)
molecular formula of ozone
by product of secondary alcohol oxidation
dumping PVC is u______
CFCs form _____ _____ that catalyse the breakdown of the ozone layer
CFCs are very stable due to which bond (symbolised by Z-Y)
cf3br is a
prefix for a haloalkane containing iodine
a______ p_____ are made from one type of monomer
polymer used in guttering
nitrogen oxide radicals formed from l_____ strikes
concentrated phosphoric acid catalyses h_____ reactions
reaction that removes water from starting material
addition reaction has ___ possible products
____ based polymers have a serious environmental impact
alcohol dehydration is an _______ reaction
addition polymers have high m______ m______
______ addition can occur between an alkene and a nonpolar molecule
catalyst of hydration reaction (alkene->alcohol) must be a c_______ a________ catalyst
hydrogen chloride gas is c______
secondary alcohols are oxidised to
______ are often used in pesticides
o2 + __ --->O3
specific arrangement of atoms in a polymer that repeats over and over (r_____ _____)
PVC can be a flexible or r_____ polymer
polymer used in plastic bags
o2 ------UV------> _O:
polymer flakes are ______ and dried
HintAnswer
bioplastics produced from plant o_____
products of feedstock recycling resemble c_____ o_____
o2 ------UV------> 2_:
phenyl group features in which polymer (used in packaging and cups)
alkenes and steam react in a ______ reaction
atom or group of atoms which is attracted to an electron rich centre and accepts an electron
prefix for a haloalkane containing bromine
chemical species that upsets the ozone equilibrium
recycling polymers reduces environmental impact because it conserves the f_____ f_____ f_____
after photodissociation, they next step is called p______
radicals in ozone depletion act as ______
pvc releases which corrosive gas
recycling process is undermined if polymers are ______
cfcs remain stable until they reach the
radiation induced breakdown is called
cl. + o3 --> O2 + _____. (propagation step 1)
clo. + _ ---> cl. + O2 (propagation step 2)
after refluxing a tertiary alcohol with acidified dichromate (VI) what is the colour of the solution?
catalyst for breakdown of ozone (______ ______)
product of synthesis of haloalkane from alcohol (/3)
reactant for synthesis of haloalkane from alcohol (/3)
rate ozone is broken down=
double bond in an alkene is an area of h____ _____ _____
recycled polymers are cut into ______ before being manufactured into new products
reactant for synthesis of haloalkane from alcohol (/3)
electrophilic addition ends when a negatively charged ion binds to a
a carbon-halogen split by UV forms
molecules that undergo addition polymerisation are ______
disposal of PVC is hazardous due to the high ____ content
washed and dried polymer flakes are then ______
once sorted, polymers are chopped into ______
f2ccl2 is a
condition for synthesis of haloalkane from alcohol
unsaturated alkene molecules undergo _____ ______ to produce long saturated chains
CARBON-CHLORINE BOND BREAKS FIRST BECAUSE IT HAS THE
polystyrene also known as
an alkene react with steam to form an _____
bioplastics produced from plant s_____
reaction mechanism for saturating alkenes is called
after refluxing a secondary alcohol with acidified dichromate (VI) what is the colour of the solution?
during a hydration reaction, which chemical groups does steam add across the double bond?(/2)
chlorofluorocarbon use (/3) (f_____ r______)
o2 + O: --->O3
polyphenylethene is a good thermal ________
high energy UV rays break oxygen down into ______ _______
ptfe stands for
to ensure reaction goes to completion, secondary alcohol is ______ with the oxidising mixture
polymer flakes are washed and d_____
PVC can be a rigid or f____ polymer
HintAnswer
compounds used in air conditioning, refrigerants and aerosol propellants
product of synthesis of haloalkane from alcohol (/3)
not possible to further oxidise ketones using
single cfc molecule promotes breakdown of how many ozone molecules?
molecules that contain at least one halogen atom joined onto a carbon chain
very little ____ reaches the earth's surface
what type of material offers a sustainable alternative to oil based products
catalyst for alcohol dehydration
no. + o3 -> No2. + __ (propagation step 1)
molecular formula of phosphoric acid
extremely large molecules formed from many thousands of repeat units
radical formed by lightning strikes
electrophilic addition ends when a carbocation binds to a _____ charged ion
discarded polymers have to be ______ by type
in pvc recycling, the solvent is r______
the biologically damaging UV rays from the sun
pi electrons can induce a dipole in n____ ______ molecules
reactant for synthesis of haloalkane from alcohol (/3)
synthesis of haloalkane from an alcohol is a____ reaction
alchols react with ____ ____ to form haloalkanes
cf2cl2---->cf2cl. + __
bioplastics produced from c_____
polymers derived from petroleum or natural gas have a high s____ e_____ v_____
high electron density attracts _______
waste polymers are _______ to produce heat
alcohol + hydrogen halide -> _______
product of alcohol dehydration reaction (/2)
high grade PVC obtained by p____ from solvent
partially _______ charged part of electrophile obtains electrons via h______ ______
the chemical and thermal processes that can reclaim monomers, gases or oil from waste polymers
product of alcohol dehydration reaction (/2)
polymer used pipes
c2h2cl2 is a
chcl3 is a
if multiple halogens are present in a haloalkane, they are listed in ______ order
polyethene production via heating a ethene at a high ______
partially ______ charged part of the electrophile bonds with the alkene
more UV-B increases risk of (/2)
during a hydration reaction, which chemical groups does steam add across the double bond?(/2
_______ are rarely found in nature as they are naturally broken down
rate of formation of ozone =
polymer used in nonstick pans
industrial use of hydration reaction to turn ethene into _______
prefix for a haloalkane containing chlorine
product of refluxing an alcohol with a concentrated acid catalyst
electrophilic addition s_____ a_______
addition polymers are made from how many types of monomer?
O: + __ ->>>>> O3
when you react an unsymmetrical alkene with an unsymmetrical compound. how many products are possible?

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