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reaction map

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Total cards: 10•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (10)

#1
Front (Question)

what is the mechanism where a haloalkane is formed from an alkane?

Back (Answer)

free radical subsitution

#2
Front (Question)

what is the condition for free radical substitution?

Back (Answer)

UV light

#3
Front (Question)

what is the reagent for free radical substitution?

Back (Answer)

Cl2/Br2

#4
Front (Question)

what is the observation in free radical substitution?

Back (Answer)

orange to colourless

#5
Front (Question)

what are the stages for free radical substitution?

Back (Answer)

• initiation • propagation • termination

#6
Front (Question)

why is UV light needed to start a free radical substitution reaction?

Back (Answer)

it provides energy to break the bond between the halogens

#7
Front (Question)

define ‘free radical’

Back (Answer)

a species which has a single unpaired electron

#8
Front (Question)

what is the overall equation for free radical substitution between CH4 and Cl2?

Back (Answer)

CH4 + Cl2 -> CH3Cl + HCl

#9
Front (Question)

what is the initiation equation for CH4 and Cl2?

Back (Answer)

Cl2 -> 2Cl.

#10
Front (Question)

what are the propagation equations for CH4 and Cl2?

Back (Answer)

Cl. + CH4 -> HCl + .CH3 .CH3 + Cl2 -> CH3Cl.