Alcohols

IMPORTANT

Alcohols: Overview

In this topic, we will understand the preparation of ethanol. It includes the physical and chemical properties of ethanol along with various chemical reactions. We will come to know the different forms and uses of ethanol.

Important Questions on Alcohols

MEDIUM
IMPORTANT

An organic compound A has the molecular formula C8H16O2. It gets hydrolysed with dilute sulphuric acid and gives a carboxylic acid B and an alcohol C. Oxidation of C with chromic acid also produced B. C on dehydration reaction gives D. Identify A, B, C and D?

EASY
IMPORTANT

Which of the following compounds are primary alcohols.

(i)  Question Image

(ii)  H2C=CHCH2-OH

(iii)  CH3CH2CH2OH

MEDIUM
IMPORTANT

The final product (IV) in the sequence of reactions is :

Question Image

MEDIUM
IMPORTANT

In allylic and benzylic alchohols, -OH group is attached to 

EASY
IMPORTANT

When ethyl alcohol is heated with red phosphorus and HI, then which of the following is formed.

MEDIUM
IMPORTANT

Which is most VISCOUS ?

MEDIUM
IMPORTANT

When 1-chloro butane is treated with aqueous KOH it gives P. However, when it is treated with alcoholic KOH it gives Q. Identify the products P and Q respectively

EASY
IMPORTANT

Identify the catalyst in the hydration of alkenes to produce alcohols.

EASY
IMPORTANT

Which of the following is used in denaturation of alcohol?

EASY
IMPORTANT

Alcohols containing two hydroxyl groups are known as _____.

EASY
IMPORTANT

If a general formula is ROH, the compound is an:

EASY
IMPORTANT

Denaturated alcohol is a mixture of 

MEDIUM
IMPORTANT

A reaction is described below.
2Na+X Sodium ethoxide+Hydrogen
XHot concentrated H2SO4CH2=CH2+H2O
Identify ‘X’:

EASY
IMPORTANT

The IUPAC name of C2H5OH is:

HARD
IMPORTANT

Two compounds 'X' and 'Y' react with sodium metal and both produce same gas 'A' with sodium hydrogen carbonate only compound 'Y' reacts to produce gas 'B identify X, Y, A, and B:

 

MEDIUM
IMPORTANT

The CORRECT order for the rate of hydrolysis of following halides in aqueous KOH is

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EASY
IMPORTANT

When ethanoic acid reacts with ethanol, a sweet smelling product is formed. The functional group in the product formed is 

EASY
IMPORTANT

Ethanol reacts with sodium and forms two products. These are

MEDIUM
IMPORTANT

Which halide does not get hydrolysed by sodium hydroxide?

MEDIUM
IMPORTANT

Which of the following alcohol cannot be prepared by acid catalysed hydration of alkenes?