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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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	Maximum number of active hydrogens are present in	A. Acetic acid B. Glycerol C. Methane D. Methanol
2	Which of the following compounds will not react with sodium metal to release hydrogen	A. CH₃CH₂CH₃ B. CH₃CH₂OH C. C₆H₅OH D. C₆H₅CH₂OH
3	Dow's process is used for the preparation of	A. Ester B. Ethers C. Alcohols D. Phenols
4	Oxidation of methyl alcohol gives	A. Formaldehyde B. Acetone C. Ester D. Acid
5	How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C₄H₁₀O	A. 3 B. 4 C. 5 D. 6
6		A. 1-bromobutane B. 2-bromobutane C. 1-bromo-2-methyl propane D. 2-bromo-2-methyl propane
7	Sodium phenoxide reacts with CO₂at 400 K and 4.7 atm pressure to give	A. Sodium salicylate B. Salicyl aldehyde C. Catechol D. Benzoic acid
8	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	A. 5 B. 6 C. 7 D. 8
9	In its reaction with Na, 1 mol of X gives 1 mol of H_2(g). What is X	A. CH₃CH₂CH₂CH₂OH B. (CH₃)₃COH C. CH₃CH₂CH₂CO₂H D. CH₃CH(OH)CO₂H
10	Organic acid without a carboxylic acid group is	A. Ascorbic acid B. Vinegar C. Oxalic acid D. Picric acid

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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

95% alcohol is called

When phenol is reduced in the presence of Zn dust, we get

Methyl alcohol is not used:

Which bond shows maximum hydrogen bonding with water?

Rectified spirit contains alcohol about:

Which structure shows a tertiary alcohol

Taste of lower alcohols 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

Alcohols are named by replacing 'e' of alkane with:

When sodium metal reacts with alcohols

Which of the following compounds will not react with sodium metal to release hydrogen

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

Williamson's synthesis is used to prepare

Methanol and ethanol can be distinguished by

Which one of the following correctly describes the acid properties of phenol

Which more acidic?

Sodium phenoxide reacts with CO2at 400 K and 4.7 atm pressure to give

Alcohols of low molecular weight are

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

The hydroxyl derivatives of aromatic hydrocarbons which have the -OH group directly bonded to the ring C-atom are called

Which is used as an antifreeze?

In Lucas test teriary alcohol make an oily layer

C2H5OH can be differentiated from CH3OH by

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

Which of the following compound is known as oil of winter green?

Which compound will not dissolve in H2O

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 H2 using catalyst:

The boiling points of alcohols are higher than the corresponding alkanes, This is because

To prepare ethanol by fernentation the optimum temp. is

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ECAT Chemistry Chapter 22 Important MCQ's

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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

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

Sodium phenoxide reacts with CO₂at 400 K and 4.7 atm pressure to give

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}

C₂H₅OH can be differentiated from CH₃OH by

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

Which compound will not dissolve in H₂O

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:}