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	Oxidation of methyl alcohol gives	A. Formaldehyde B. Acetone C. Ester D. Acid
2	95% alcohol is called	A. Rectified spirit B. Spirit of wine C. Spirit D. Methylated
3	Which is possible in ethers?	A. Reactivity high B. Oxidation and reduction C. Reactivity towards bases D. Towards acids
4	The organic compounds which are derivative of hydrocarbons of oxygen are:	A. Carbohydrates B. Phenols C. Alcohals D. All of these
5	Which of the following process is employed to convert alkyl halide into alcohol?	A. Addition B. Substitution C. Dehydrohalogenation D. Molecular rearrangement
6	denaturing of alcohol is done by adding methanol in ethanol:	A. 10% B. 20% C. 30% D. 40%
7	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?	A. H₃PO₄ B. H₃PO₂ C. HPO₃ D. H₃PO₃
8	Which of the following compounds will not react with sodium metal to release hydrogen	A. CH₃CH₂CH₃ B. CH₃CH₂OH C. C₆H₅OH D. C₆H₅CH₂OH
9	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
10	Primary and secondary alcohols on action of red hot copper give	A. Aldehydes and ketones respectilvely B. ketones and aldehydes respectively C. Only aldehydes D. Only ketones

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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

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

Maximum number of active hydrogens are present in

Which the increase in carbon number of solubility of an alcohol

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

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

Ethyl alcohol on oxidation with K2Cr2O7gives

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

Ethanol can be converted into ethanoic acid by

Which compound does not show hydrogen bonding with water

When sodium metal reacts with alcohols

C2H5OH can be differentiated from CH3OH by

Isopropyl alcohol on oxidation gives

When phenol is distilled with zinc dust. It is reduced to

Which compound shows hydrogen bonding

The formula of secondary alcohol is

Picric acid is

Methyl alcohol is not used:

Alcohol fermentation is brought about by the action of

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

Rectified spirit contains alcohol about

Which compound is more soluble in water

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

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

I-Phenylethanol can be prepared by reaction of benzaldehyde with

Dehydration of glycerol give

Taste of lower alcohols is:

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

To prepare ethanol by fernentation the optimum temp. is

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

Dehydration of ethyl alcohol yields

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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

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

Ethyl alcohol on oxidation with K₂Cr₂O₇gives

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

C₂H₅OH can be differentiated from CH₃OH by

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

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 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}