ECAT Pre Engineering Chemistry Chapter 22 MCQ Test With Answer

Top Scorers Of ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers MCQ`s Test

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M Umer Arain 08 - Dec - 2024 00 Min 08 Sec 120/120
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Farzand Shah Farzand Shah 24 - May - 2024 02 Min 27 Sec 115/120
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Unaiza Usman 23 - Feb - 2024 03 Min 09 Sec 95/120
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Meerab Ihtisham 05 - Jun - 2024 16 Min 13 Sec 80/120
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ECAT Chemistry Chapter 22 Important MCQ's

Sr.#	Question	Answer
1	Which structure shows a tertiary alcohol	A. CH₃CH₂OH B. (CH₃)₂CHOH C. (CH₃)₃COH D. CH₂OH
2	The boiling points of alcohols are higher than the corresponding alkanes, This is because	A. Of hydrogen bonding existing between molecules of alcohols B. Alkanes are dipolar compounds C. Alcohols are sweet in taste D. Alcohols are soluble in water
3	Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch	A. Diastase B. Maltase C. Zymase D. Invertase
4	Hydrolytic coversion of sucrose into glucose and fructose is known as	A. Induction B. Inversion C. Insertion D. Inhibition
5	Which compound is more soluble in water	A. C₂H₅OH B. Benzene C. CH₃OCH₃ D. Hexane
6	Which one is primary alcohol?	A. Buten-2-ol B. Propan-2-ol C. Butaon-1-ol D. 2,3-Dimethylhexane-4-ol
7	Which one is used as a fuel for internal combustion engines in many European countries and Brazil	A. C₂H₅OH B. CH₃OH C. CH₃COOH D. C₂H₂
8	Which one of the following correctly describes the acid properties of phenol	A. Stronger than HCI B. Stronger than carboxylic acid C. An acid stronger than carbonic acid D. An acid weaker than carboxylic acid
9	Methanol and ethanol can be distinguished by	A. Iodoform test B. Iucas test C. Dichromate/H₂SO₄oxidation test D. Flame test
10	Nitration of phenol gives	A. o-nitrophenol B. p-nitrophenol C. m-nitrophenol D. Both o and p-nitrophenol

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ECAT Pre Engineering Chemistry Chapter 22 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers

ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers

Which bond shows maximum hydrogen bonding with water?

Phenol is used in the preparation of

Which structure shows a tertiary alcohol

Ethanol containing some methanol is called

Which is a reagent for Lucas test

Na reacts with phenol to produce

Phenol is also known as

How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C4H10O

Which of the following is an isomer of ethanol

What will react differently with the two isomeric pentols, (CH3)3CCH2OH and (CH3)2CH CH2CH2OH

Use of ethanol as:

Which of the following groups will increase the acidity of phenol?

Phenol is more readily soluble in

Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO4

95% alcohol is called

If an electrophile attacks then ______ bond breaks first

Methanol is prepared from CO and H2 using catalyst:

Which compound will not dissolve in H2O

Williamson's synthesis is used to prepare

The organic compound, alcohols are much closer to, in structure and hence is also called its derivative:

The organic compounds which are derivative of hydrocarbons of oxygen are:

To prepare ethanol by fernentation the optimum temp. is

Which is possible in ethers?

Which compound does not show hydrogen bonding with water

Which compound contains - OH in their molecule

An alcohol with molecular formula CnH2n+1OH has a chiral carbon atom but does not react with MnO-4/H+what is the least number of carbon atoms such an alcohol could possess

Salol is prepared from

The order of reactivity of halogen acids for reaction with C2H5OH is

When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is

A compound is soluble in conc. H2SO4, it does not decolourise bromine in carbon tetrachloride but is oxidized by chromic anhydride in aqueous sulphuric acid within two seconds, turning orange solution to blue, green and then opaque. The original compound is

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Top Scorers Of ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers MCQ`s Test

ECAT Chemistry Chapter 22 Important MCQ's

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How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C₄H₁₀O

What will react differently with the two isomeric pentols, (CH₃)₃CCH₂OH and (CH₃)₂CH CH₂CH₂OH

Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO₄

Methanol is prepared from CO and H_{2 using catalyst:}

Which compound will not dissolve in H₂O

An alcohol with molecular formula C_nH_2n+1OH has a chiral carbon atom but does not react with MnO^-₄/H⁺what is the least number of carbon atoms such an alcohol could possess

The order of reactivity of halogen acids for reaction with C₂H₅OH is

A compound is soluble in conc. H₂SO₄, it does not decolourise bromine in carbon tetrachloride but is oxidized by chromic anhydride in aqueous sulphuric acid within two seconds, turning orange solution to blue, green and then opaque. The original compound is