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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Abdullah 08 - Mar - 2024 04 Min 10 Sec 65/120
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ECAT Chemistry Chapter 22 Important MCQ's

Sr.#	Question	Answer
1	Na reacts with phenol to produce	A. H₂gas B. Benzene C. CO₂gas D. CO gas
2	Treatment of a secondary alcohol with a suitable oxidizing agent (K₂Cr₂O₇) results in the formation of	A. Ketone B. Aidehyde C. Ether D. Alkyl halide
3	Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is	A. Carboxylic acid > phenol > alcohol B. Carboxylic acid > alcohol > phenol C. Phenol > carboxylic acid > alcohol D. Alcohol > phenol > carboxylic acid
4	Which isomers of C₅H₁₁OH gives, on dehydration, the greatest number of different alkenes
5	Phenols are derivative of:	A. Alkanes B. Alkenes C. Alkynes D. Benzene
6	The organic compounds which derivative of hydrocarbons due to oxygen is:	A. Phenol B. Alcohol C. Alkyl halide D. Either
7	Which of the following is known as wood spirit	A. Ethyl alcohol B. Propyl alcohol C. Methyl alcohol D. Butyl alcohol
8	When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is	A. Oxalic acid B. Glyoxal C. Formic acid D. Ethanol
9	Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO₄	A. Butanol B. Butanoic acid C. Butanone D. Butane
10	Phenol is heated with CCl₄and alkaline KOH when salicylic acid is produced.The reaction is known as	A. Frledel-Craft reaction B. Riemer-Tiemann's reaction C. Rosenmund's reaction D. Sommelet reaction

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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

Maximum number of active hydrogens are present in

Alcohols are derivatives of:

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

Alcohols reacts with Grignard reagent to form

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

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

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

Ethylene reacts will 1% cold alkaline KMnO4to give

Which of the following will not give iodoform test?

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

Which statement in not correct about alcohol?

Which of the following is known as wood spirit

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

When sodium metal reacts with alcohols

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

Oxidation of methyl alcohol gives

Which of the following is an isomer of ethanol

Methanol is prepared from CO and H2 using catalyst:

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

which enzyme is not involved in the fermentation of starch ?

Which is possible in ethers?

Propanone is the product obtained by dehydrogenation of

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

Dehydration of glycerol give

In its reaction with Na, 1 mol of X gives 1 mol of H2(g). What is X

Which is not property in ether:

If an electrophile attacks then ______ bond breaks first

In Dow's method, phenol can be made from

denaturing of alcohol is done by adding methanol in ethanol:

Phenol gives ---------- Colour with neutral FeCl3solution

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ECAT Chemistry Chapter 22 Important MCQ's

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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}

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

Ethylene reacts will 1% cold alkaline KMnO₄to give

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

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

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

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

In its reaction with Na, 1 mol of X gives 1 mol of H_2(g). What is X

Phenol gives ---------- Colour with neutral FeCl₃solution