The reaction

Can be classified as ______.

Among the following ethers which one will produce methyl alcohol on treatment with hot HI?

Higher alcohols are not soluble in water because of ______.

Compound of molecular formula C₇H₈O is a sweet smeeling liquid. A on reaction with acidified K₂Cr₂O₇ gives compound B of molecular formula C₇H₈O. B reduces Tollen's reagent A and B are respectively.

Ethers in the presence of atmospheric oxygen oxidises to give hydroperoxides and dialkyl peroxides Such a spontaneous reaction by atmospheric oxygen is called ______.

When alcohols are converted to alkyl chlorides by thionyl chloride in presence of pyridine the intermediate formed is ______.

The IUPAC name for isobutyl alcohol is _______.

The structure of cumene is ________.

Lucas reagent is _______.

When phenol reacts with CCl₄ and NaOH, the product formed is ________ acid.

Intermolecular hydrogen bonds are not _______ present in.

Ether is formed when alkylhalide is treated with sodium alkoxide, this method is known as ________.

C₆H₅ - O - CH₃ is an example of ________.

Ethers are functional isomers of ________.

The IUPAC name of phenetole is _______.

Draw the major product formed when 1-ethoxyprop-1-ene is heated with one equivalent of HI.

Predict the major product, when 2-methyl but -2-ene is converted into an alcohol in each of the following methods.
(i) Acid catalysed hydration
(ii) Hydroboration
(iii) Hydroxylation using Baeyer's reagent

Is it possible to oxidise t – butyl alcohol using acidified dichromate to form a carbonyl compound.

Explain why phenol does not undergo substitution of the -OH group like alcohol.

Give the IUPAC names of
(i) CH₃CH(OH)CH₂OH
(ii) HO-CH₂-CH₂-OH
(iii) \({ { CH } }_{ 3 }-\underset { \overset { | }{ OH } }{ CH } -COOH\)

Why sodium metal cannot be used to dry alcohols but it can be used to dry ethers?

Write the IUPAC names of
(a) C₂H₅OCH₃
(b) C₆H₅OC₂H₅

Give a test to identify whether a given -OH group is alcoholic or phenolic in nature.

Preparation of ethers by intermolecular dehydration of alcohols in the presence of an add is not a suitable method for mixed ethers. Give reason.

How can isopropyl alcohols be converted to t-butyl alcohol?

What happens when 1-phenyl ethanol is treated with acidified KMnO₄.

How is phenol prepared from
i) chloro benzene
ii) isopropyl benzene

When phenol on treatement with Br₂/H₂O readily gives a precipitate of 2, 4, 6 - tribomo phenol.

Account for the following:
(a) Lower members of alcohols are soluble in water but higher members are not.
(b) Alcohols cannot be used as solvent for Grignard reagent.

Give the IUPAC names of each of the following and classify them as 1°, 2° and 3°
(a) CH₃(CH₂)₃CHOHCH(CH₃)₂
(b) (CH₃)₃C-CH₂OH
(c) \(({ CH }_{ 3 })_{ 2 }\underset { \overset { | }{ { C }_{ 6 }{ H }_{ 5 } } }{ C } -OH\)
(d) \(BrCH_{ 2 }-\underset { \overset { | }{ OH } }{ { CH }_{ 2 } } -CH-C({ CH }_{ 3 })_{ 3 }\)
(e) CH₂=CH-CHOHCH
(f) PhCH₂OH
(g) HOCH₂CH₂CH₂CH₂C₆H₅
(h) (C₂H₅)₃COH

How can the following conversion be effected? (i) Phenol to phenolphthalein.

Ethers should not be heated to dryness. Why?

How do ethers react with HI? Give the significances of the reaction.

When tertiary butyl alcohol and 1-butanol are separately treated with a few drops of KMnO₄, in one case only the purple colour disappears and a brown precipitate is formed. Which of the two alcohols gives the above reaction and what is that brown precipitate?

Halo alkane are easily prepared from alcohols while alkyl halides cannot be prepared from phenol. Justify.

Phenol is distilled with Zn dust followed by friedel – crafts alkylation with prophyl chloride to give a compound B, B on oxidation gives (c) Indentify A,B and C.

An organic compound A of molecular f formula C₆H₆O gives violet colouration with neutral FeCl₃. Compound A on treatment with metallic Na gives compound B. Compound B on treatment with CO₂ at 400 K under pressure gives C. This product on acidification gives compound D (C₇H₆O₃) which is used in medicine. Identify (A) (B) (C) and D and explain the reactions.

Explain the mechanism involved in the intermolecular dehydration of alcohols to give ethers.

How will you distinguish the primary, secondary and tertiary alcohols by Victor Meyer's method?

How would you distinguish between (i) methyl alcohol and ethyl alcohol (ii) benzyl alcohol and phenol, (iii) ethyl alcohol and benzyl alcohol?

What are ethers? Write note on simple and mixed ethers with examples.

An organic compound 'A' is a sodium salt of phenolic acid with molecular formula C₇H₅O₃Na. 'A' on heating with soda lime gives compound 'B' of molecular formula C₆H₆O. 'B' gives violet colour with neutral ferric chloride. 'B' on treatment with C₆H₅COCI in the presence of NaOH gives an ester 'C'. Identify 'A', 'B' and 'C'. Explain the reactions.