Alcohols, Phenols And Ethers

Question 1

Alkene hydration

Answer 1

Sulphuric acid with h2o and heat

Question 2

Hydroboration oxidation

Answer 2

Alkene with b2h6 give trialkyl borane which gives in treatment with h2o2 an alcohol

Question 3

Alchohol from carbonyl

Answer 3

Randy Ni at 413K or sodium mercury amalgam in water or nabh4 or lah

Question 4

Alc with Metal

Answer 4

H2 evolved. Sodium alkoxide

Question 5

Alc with carboxylic acid or acid chloride or anhydride

Answer 5

Ester

Question 6

Alcoholic to alkene

Answer 6

1 deg Al2o3 at 623K
2 deg. At 523K
3 deg at. 423 K

Question 7

Oxidation of tertiary alc

Answer 7

CrO3

Question 8

Dows

Answer 8

Aryl halide with Na give NaOPh and NaX and H2O

Question 9

Raschig

Answer 9

Aryl halide with calcium phosphate or sio2 as catalyst give phenol and HX

Question 10

Cumene

Answer 10

Phenol end pdt

Question 11

Nitration

Answer 11

Dilute nitric acid gives ortho or para

Nitric acid with sulphuric acid both conc will give trinitro der

Question 12

Sulphonation of arom

Answer 12

RT gives ortho

373K gives para

Question 13

Kolbe

Answer 13

NaOPh intmd

With CO2 and H+ gives salicylic acid

Question 14

RT

Answer 14

CHCl3 with aq NaOH

Check mech

Question 15

Alchohol to ether

Answer 15

HBF4 Flourboric acid with Diazomethane

Only gives ROMe

Question 16

ROR with HX

Answer 16

Cold gives RX and ROH

Heat gives RX with H2O

Question 17

ROR and H2O

Answer 17

With dil sulphuric acid and on heating under pressure gives ROH