Question 1

Rectified spirit is a mixture of &#8230;&#8230;&#8230;.&#10;A)95% ethyl alcohol + 5% water&#10;B)94% ethyl alcohol + 4.53% water&#10;C)94.4% ethyl alcohol + 5.43 % water&#10;D)95.57% ethyl alcohol + 4.43% water

Accepted Answer

95.57% ethyl alcohol + 4.43% water&#10;

Question 2

Glycerol as a triester present in &#8230;&#8230;.&#10;A)Petroleum&#10;B)Kerosene&#10;C)Vegetable oil and fat&#10;D)Naphtha

Accepted Answer

Glycerol is not a triester itself but a component of triglycerides, which are the main constituents of vegetable oil and fat. Triglycerides are esters formed from glycerol and three fatty acid molecules.

Question 3

Power alcohol is &#8230;&#8230;&#10;A)An alcohol of 95% purity&#10;B)A mixture of petrol hydrocarbons and ethanol&#10;C)Rectified spirit&#10;D)A mixture of methanol and ethanol

Accepted Answer

Power alcohol refers to a mixture of petrol hydrocarbons and ethanol, which is used as a fuel.

Question 4

In cold countries ethylene glycol is added to water in the radiators to&#10;A)Bring down the specific heat of water&#10;B)Lower the viscosity&#10;C)Reduce the viscosity&#10;D)Make water a better lubricant

Accepted Answer

Ethylene glycol is added to water in radiators in cold countries to bring down the specific heat of water. This allows the water-ethylene glycol mixture to absorb more heat from the engine without significantly increasing in temperature, helping to prevent the engine from overheating.

Question 5

Alcoholic fermentation is brought about by the action of A)CO₂ B)O₂ C)Invertase D)Yeast

Accepted Answer

Yeast is responsible for alcoholic fermentation, a biological process that converts sugars into ethanol and carbon dioxide in the absence of oxygen.

Question 6

Methyl alcohol is toxic. The reason assigned is……… A)It stops respiratory track B)It reacts with nitrogen and forms CN in the lungs C)It increases CO₂ content in the blood D)It is a reduction product of formaldehyde

Accepted Answer

The answer of Methyl alcohol is toxic. The reason assigned...

Question 7

Glycerol is used&#8230;&#8230;..&#10;A)As a sweetening agent&#10;B)In the manufacture of good quality soap&#10;C)In the manufacture of nitro glycerine&#10;D)In all of these

Accepted Answer

Glycerol is versatile and used in various applications: as a sweetening agent due to its sweet taste, in the manufacture of good quality soap as a byproduct of saponification, and in the manufacture of nitroglycerine, which is an ingredient in explosives and also used medically.

Question 8

Glycerol is not used in which of following cases&#8230;&#8230;.&#10;A)Explosive making&#10;B)Shaving soap making&#10;C)As an antifreeze for water&#10;D)As an antiseptic agent

Accepted Answer

Glycerol is not used as an antiseptic agent. It is commonly used in explosives, shaving soaps, and as an antifreeze.

Question 9

Liquor poisoning is due to &#8230;&#8230;.&#10;A)Presence of bad compound in liquor&#10;B)Presence of methyl alcohol&#10;C)Presence of ethyl alcohol&#10;D)Presence of carbonic acid

Accepted Answer

Liquor poisoning, particularly when referring to more severe forms, is often due to the presence of methyl alcohol (methanol), which is highly toxic to humans even in small quantities. Methanol can be present in illegally produced or contaminated alcoholic beverages.

Question 10

In order to make alcohol undrinkable pyridine and methanol are added to it. The resulting alcohol is called &#8230;&#8230;&#8230;&#10;A)Power alcohol&#10;B)Proof spirit&#10;C)Denatured spirit&#10;D)Poison alcohol

Accepted Answer

Denatured spirit is alcohol made undrinkable by the addition of substances such as pyridine and methanol, to prevent its consumption.

Question 11

Wine (alcoholic beverages) contains ……… A)CH₃OH B)Glycerol C)C₂H₅OH D)2-propanol

Accepted Answer

The answer of Wine (alcoholic beverages) contains ……… A)CH₃OH B)Glycerol C)C₂H₅OH D)2-propanol...

Question 12

In aldehydes and ketones, carbon of carbonyl group is&#8230;&#8230;&#8230;..&#10;A)3 sp hybridised&#10;B)2 sp hybridised&#10;C)sp hybridised&#10;D)Unhybridised

Accepted Answer

The answer of In aldehydes and ketones, carbon of carbonyl...

Question 13

Aldehydes are isomeric with&#8230;&#8230;&#8230;..&#10;A)Ketones&#10;B)Ethers&#10;C)Alcohols&#10;D)Fatty acids

Accepted Answer

The answer of Aldehydes are isomeric with&#8230;&#8230;&#8230;..&#10;A)Ketones&#10;B)Ethers&#10;C)Alcohols&#10;D)Fatty acids...

Question 14

Which of the following compounds does not contain an -OH group&#8230;&#8230;&#8230;..&#10;A)Phenol&#10;B)Carboxylic acid&#10;C)Aldehydes&#10;D)Alcohols

Accepted Answer

The answer of Which of the following compounds does not...

Question 15

IUPAC name of CH₃COCH₃ is……….. A)Acetone B)2-propanone C)Dimethyl ketone D)Propanal

Accepted Answer

The answer of IUPAC name of CH₃COCH₃ is……….. A)Acetone B)2-propanone C)Dimethyl ketone D)Propanal...

Question 16

Which of the following types of isomerism is shown by Pentanone.&#10;A)Chain isomerism&#10;B)Position isomerism&#10;C)Functional isomerism&#10;D)All of these

Accepted Answer

The answer of Which of the following types of isomerism...

Question 17

IUPAC name of CHO CCl₃ is………….. A)Chloral B)Trichloro acetaldehyde C)1, 1, 1-trichloroethanal D)2, 2, 2-trichloroethanal

Accepted Answer

The answer of IUPAC name of CHO CCl₃ is………….. A)Chloral B)Trichloro acetaldehyde C)1,...

Question 18

Which of the following is a mixed ketone &#8230;&#8230;&#8230;..&#10;A)Pentanone&#10;B)Acetophenone&#10;C)Benzophenone&#10;D)Butanone

Accepted Answer

The answer of Which of the following is a mixed...

Question 19

Chloral is……….. A)CCl₃CHO B)CCl₃COCCH₃ C)CCl₃COCCl₃ D)CCl₃CH₂OH

Accepted Answer

The answer of Chloral is……….. A)CCl₃CHO B)CCl₃COCCH₃ C)CCl₃COCCl₃ D)CCl₃CH₂OH...

Question 20

Carbonyl compounds are usually &#8230;&#8230;&#8230;&#8230;&#8230;&#10;A)Ethers, aldehydes, ketones and carboxylic acids&#10;B)Aldehydes, ketones and carboxylic acids&#10;C)Aldehydes and ketones&#10;D)Carboxylic acids

Accepted Answer

The answer of Carbonyl compounds are usually &#8230;&#8230;&#8230;&#8230;&#8230;&#10;A)Ethers, aldehydes, ketones...

Question 21

Acetone and acetaldehyde are &#8230;&#8230;&#8230;&#8230;..&#10;A)Position isomers&#10;B)Functional isomers&#10;C)Not isomers&#10;D)Chain isomers

Accepted Answer

The answer of Acetone and acetaldehyde are &#8230;&#8230;&#8230;&#8230;..&#10;A)Position isomers&#10;B)Functional isomers&#10;C)Not...

Question 22

Which of the aldehyde is most reactive ? A)C₆H₅CHO B)CH₃CHO C)HCHO D)All the equally reactive

Accepted Answer

The answer of Which of the aldehyde is most reactive...

Question 23

Acetophenone is prepared from&#10;A)Rosenmund reaction&#10;B)Sandmayer reaction&#10;C)Wurtz reaction&#10;D)Friedel craft reaction

Accepted Answer

The answer of Acetophenone is prepared from&#10;A)Rosenmund reaction&#10;B)Sandmayer reaction&#10;C)Wurtz reaction&#10;D)Friedel...

Question 24

Which one of the following compounds is prepared in the laboratory from benzene by a substitution reaction&#8230;&#8230;&#8230;&#10;A)Glyoxal&#10;B)Cyclohexane&#10;C)Acetophenone&#10;D)Hexabromo cyclohexane

Accepted Answer

The answer of Which one of the following compounds is...

Deck 8: Alcohols and Carbonyl Compounds