6.2.5 Synthesis Reagents And Conditions

Question 1

What’s the reagents and conditions as well as the product for the oxidation of a 1* alcohol

Answer 1

H+/ K2Cr2O7
Heat and distil
Product = aldehyde

Question 2

What’s the reagents and conditions as well as the product of reduction of an aldehyde

Answer 2

NaBH4 (aq)
Product = 1* alcohol

Question 3

What’s the reagents and conditions as well as the product of reduction of nitrobenzene

Answer 3

Sn
Conc HCl
Heat under reflux
Product = phenylamine

Question 4

What’s the reagents and conditions as well as the product of reduction of a ketone

Answer 4

NaBH4 (aq)
Product = 2* alcohol

Question 5

What product do you get from an acid-base reaction of ethylamine + HCl

Answer 5

Ethylammonium chloride

Question 6

What’s the reagents and conditions of an addition reaction of ethene to give 1,2 - dibromoethane? Any observations?

Answer 6

Br2 (room temp)
Colour goes from orange to colourless

Question 7

What’s the organic product of the addition reaction of ethene with HCl(g)

Answer 7

Chloroethane

Question 8

What’s the reagents and conditions as well as the product of the hydration ( it’s also addition) reaction of ethene

Answer 8

H2O(g)
Conc H3PO4
High temp + pressure
Product = ethanol

Question 9

What’s the reagents and conditions as well as the type of reaction of ethanol to ethene

Answer 9

Conc H2SO4 or Conc H3PO4
Heat under reflux
Type of reaction = elimination

Question 10

What’s the reagents and conditions as well as the product of ethanol + methanoic acid? What type of reaction is this

Answer 10

Conc H2SO4
Heat under reflux
Product = Ester Ethyl methanoate
Type of reaction = condensation

Question 11

What’s the reagents and conditions as well as the product of