Ch 10 Alkane Alkene

Question 1

Homolytic fisiion. Occurs where

Heterolytic fission. Occurs where

Answer 1

Homo = alkane 
Hetro = alkene

Question 2

Oxidation of alkene
Reagent
Product

Answer 2

Reagent acidified Kmno4. + Heat (only for hot reactions)
The double bond breaks forming Co2 if CH2
Forming carboxylic acid if chain is CHCH3
Forming ketone if CH(CH3)CH3

Question 3

Reactions of alkanes

Answer 3

1) free radical substitution (UV light condition)

2) combustion

Question 4

Reaction of alkenes

Answer 4

1) Oxidation. (KMnO4 )
2) combustion
3) Addition

Question 5

Oxidation agents and their coloure changes
K2Cr2O7
KMnO4
Their uses and which is stronger

Answer 5

K2Cr2O7
Orange to Green
Used for Alcaholes
Weaker

kMnO4
Purple to colourless
Only used for alkenes
Stronger (because can be prepared more purley)

Question 6

KMNo4 cold + Alkene

Answer 6

OH group added where double bond was present

Question 7

Name of process that form halogeno alkanes

Answer 7

Nucleophilic substitution

Question 8

Test for halogenoalkanes

Answer 8

Silver nitrate
PPt for
For Br Cream

Cl white
I. pale yellow

Question 9

Where does Sn1 and Sn2

Mechanism iccur

Answer 9

Sn1. Tertiorey halogenoalkanes
Sn2. Primarey halogeonalkanes

Secondorey halageonalkanes can have boyh processes