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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Mehreen Ather 19 - Dec - 2024 09 Min 56 Sec 95/120
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zahida kalsoom 25 - Feb - 2024 11 Min 28 Sec 90/120
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Huzaifa Asim 30 - May - 2024 02 Min 45 Sec 85/120
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Zaman Shehzad 24 - May - 2024 07 Min 20 Sec 85/120
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Meerab Ihtisham 05 - Jun - 2024 16 Min 13 Sec 80/120
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Ayra Arshad 06 - Jul - 2024 04 Min 36 Sec 75/120
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Haniya Ali 14 - Mar - 2024 11 Min 32 Sec 75/120
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Muhammad Faizan 20 - Feb - 2024 14 Min 54 Sec 75/120
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Ayan Khan 06 - Aug - 2024 05 Min 31 Sec 70/120
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Kazim Ali 17 - May - 2024 12 Min 49 Sec 70/120
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Abdullah 08 - Mar - 2024 04 Min 10 Sec 65/120
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Arnab Shakir 29 - Feb - 2024 05 Min 59 Sec 65/120

ECAT Chemistry Chapter 22 Important MCQ's

Sr.#	Question	Answer
1	Scientific study of fermentation was first made by	A. Buchner B. Liebig C. Biot D. Pasteur
2	Which of the following groups will increase the acidity of phenol?	A. -NO₂ B. -CN C. -X (halogens) D. All
3	Which of the following is known as wood spirit	A. Ethyl alcohol B. Propyl alcohol C. Methyl alcohol D. Butyl alcohol
4	Which isomers of C₅H₁₁OH gives, on dehydration, the greatest number of different alkenes
5	The test used for the detection of ethanol in the mouth of a drunk driver is that the drunk driver is asked to blow air from mouth into a solution of K₂Cr₂O₇and H₂SO₄. The colour changes, if the driver is drunk	A. From orange to green B. From pink to green C. From orange to colorless D. From pink to colorless
6	If an electrophile attacks then ______ bond breaks first	A. C - H B. O - H C. C - O D. None of these
7	Which bond shows maximum hydrogen bonding with water?	A. CH₃OH B. C₂H₅OH C. CH₃----O----CH₃ D. C₆H₅OH
8	Which of the following is the most suitable method for removing the traces of water from ethanol?	A. Reacting with Na metal B. Passing dry HCl through it C. Distilling it D. Reacting with Mg
9	Phenol gives ---------- Colour with neutral FeCl₃solution	A. Violet B. Green C. Red D. Blue
10	Which one is primary alcohol?	A. Buten-2-ol B. Propan-2-ol C. Butaon-1-ol D. 2,3-Dimethylhexane-4-ol

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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

Industrial alcohol may be denaturated by the addition of

Which compound will not dissolve in H2O

Which one of the following reacts immediately with conc. HCI in the presence of ZnCI2

Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is

Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch

A compound of the formula C4H10Oreacts with sodium and undergoes oxidation to give a carbonyl compound which does not reduce Tollen's reagent, the original compound is

Rectified spirit contains alcohol about:

In Lucas test primary alcohol make as oily layer

Salol is prepared from

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Alcohals can be distinguished using test:

The only alcohol that can be prepared by the indirect hydration of alkene is

Which compound has the maximum repulsion with water?

The strongest acid among the following aromatic compound is

Phenol is more readily soluble in

Isopropyl alcohol on oxidation gives

When sodium metal reacts with alcohols

Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes

Ethanol can be converted into ethanoic acid :

Phenol is also known as

Alcohol reacts with halogen acid to produce

Which of the following statements is correct?

I-Phenylethanol can be prepared by reaction of benzaldehyde with

Use of ethanol as:

Which is not property in ether:

Which is a reagent for Lucas test

Maximum number of active hydrogens are present in

Which alcohol gives only one oxidation product when wormed with dil acidified K2Cr2O7

Which one is used as a fuel for internal combustion engines in many European countries and Brazil

Dehydration of an alcohol at 180°

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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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Which compound will not dissolve in H₂O

Which one of the following reacts immediately with conc. HCI in the presence of ZnCI₂

A compound of the formula C₄H₁₀O_{reacts with sodium and undergoes oxidation to give a carbonyl compound which does not reduce Tollen's reagent, the original compound is}

When alcohol reacts with concentreated H₂SO₄intermediate compound formed as

Which isomers of C₅H₁₁OH gives, on dehydration, the greatest number of different alkenes

Which alcohol gives only one oxidation product when wormed with dil acidified K₂Cr₂O₇