Science Quiz / yr1 chemistry (episode VII)

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Defeating consumerism (via a ketamine addiction)

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

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