amine

Question 1

What is a primary amine

Answer 1

NH2 bonded to oe carbon

Question 2

is ammonia a base or acid

Answer 2

base

Question 3

Amine + acid

Answer 3

Salt

Question 4

How do you make primary aliphatic amines

Answer 4

Haloalkanes reacted with excess ammonia in ethanol

Question 5

What mechanism is making amines

Answer 5

nucleophilic substitution

Question 6

Why is ethanol needed

Answer 6

Prevents water from reacting with haloalkane to make alcohol

Question 7

Why is excess NH3 used

Answer 7

prevents further substitution from secondary and tertiary amines

Question 8

How do you make primary aromatic amine

Answer 8

reduce with tin and con H2so4 under reflux to form ammonium salt,then NaOH

Question 9

What does CH3CH2Nh2 and H2SO4 make

Answer 9

(CH3Ch2NH3+)2 SO4 2-

Question 10

do alcohols or anime have a high bp

Answer 10

alcohol - oxygen is more electronegative

Question 11

Explain why amines can behave as bases

Answer 11

Lone pair of N can accept H+ by forming a dative covalent bond

Question 12

What is a sterioisomer

Answer 12

same structural formula different arrangement of atoms

Question 13

What is an alcohol oxidised

Answer 13

Carboxilic acid and wotar

Question 14

Why is anhydride used insteas of acyl chlorides sometimes

Answer 14

Less corrosive

less vunerable to hydrolysis

Question 15

Why might polyesters with c=o be easier to break down

Answer 15

absorbs radiation and breaks down

ester linkage can be hydrolysed