ECAT Pre Engineering Chemistry Chapter 22 MCQ Test With Answer

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.#	Question	Answer
1	The reaction of sodium with ethanol gives	A. CH₃OH B. NaH C. H₂O D. H₂
2	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
3	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
4	Methanol and ethanol can be distinguished by	A. Iodoform test B. Iucas test C. Dichromate/H₂SO₄oxidation test D. Flame test
5	When sodium metal reacts with alcohols	A. Hydrogen gas evolves B. Sodium hydroxide is obtained C. Alcohol is reduced D. Alcohol is polymerised
6	Methyl alcohol is not used	A. As a solvent B. A an anti-freezing agent C. As a substitute for petrol D. For denaturing of ethyl alcohol
7	Dehydration of an alcohol at 180°	A. Alkene B. Ether C. Ester D. An hydride
8	Alcohol fermentation is brought about by the action of	A. CO₂ B. O₂ C. Invertase D. Yeast
9	Ethanol is prepared in Pakistan form fermentation of:	A. Starch B. Sugar C. Glucose D. Molasses
10	Scientific study of fermentation was first made by	A. Buchner B. Liebig C. Biot D. Pasteur

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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

Organic acid without a carboxylic acid group is

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

Which compound has the maximum repulsion with water?

Phenol is heated with CCl4and alkaline KOH when salicylic acid is produced.The reaction is known as

Ethyl alcohol may be identified by

Either, an organic compound has close resemblance in structure and thus a derivative of:

Which compound is more soluble in water

3 moles of ethanol react with one mole of phosphorus tribromide to from 3 moles of bromoethane and on mole of X. Which of the following is X?

Which compound does not show hydrogen bonding with water

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

Methanol is prepared from CO and H2 using catalyst:

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

An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound

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

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

The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called

Methanol and ethanol can be distinguished by

Phenol is used in the preparation of

Diethyl ether is obtained by Williamsons synthesis using

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

Which of the following is the most suitable method for removing the traces of water from ethanol?

Which compound is called a universal solvent?

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

Williamson's synthesis is used to prepare

Primary and secondary alcohols on action of red hot copper give

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

Ethanol can be converted into ethanoic acid by

which enzyme is not involved in the fermentation of starch ?

Methyl alcohol is not used

In Dow's method, phenol can be made from

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ECAT Chemistry Chapter 22 Important MCQ's

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Phenol is heated with CCl₄and alkaline KOH when salicylic acid is produced.The reaction is known as

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

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

An organic compound will decolorise dill acidified (aq) KMnO₄on warming, but will not decolorise bromine water. What is the compound

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

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

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