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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Meerab Ihtisham 05 - Jun - 2024 16 Min 13 Sec 80/120
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ECAT Chemistry Chapter 22 Important MCQ's

Sr.#	Question	Answer
1	When phenol is reduced in the presence of Zn dust, we get	A. Cyclohexene B. Cyclohexane C. Benzene D. Benzyne
2	Methanol is prepared from CO and H_{2 using catalyst:}	A. ZnO B. Cr₂O₃ C. Pt D. Ni
3	Which statement in not correct about alcohol?	A. Ethyl alcohol is heavier than water B. Ethyl alcohol ecaporates more quickly C. Alcohol with less number of carbon atoms is more soluble in water than alcohol with more number of carbons atoms D. Alcohol produces H₂by reaction with sodium metal
4	Glucose in the presence of zymase is converted into	A. Alcohol B. Acid C. Ethyl alcohol D. Ketone
5		A. Aqueous bromine B. Dilute HNO₃ C. Dilute HCI D. CH₃COCI
6	Which of the following process is employed to convert alkyl halide into alcohol?	A. Addition B. Substitution C. Dehydrohalogenation D. Molecular rearrangement
7	Dehydration of glycerol give	A. Propane B. Propene C. Acrolein D. Benzene
8	General formula of alcohol is:	A. ROH B. Ar-OH C. R-O-R D. Ph-OH
9	Ethanol can be converted into ethanoic acid by	A. Hydrogenation B. Hydration C. oxidation D. Frmentation
10	How many secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH₂OH	A. 1 B. 2 C. 3 D. 4

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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

Use of ethanol as:

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

The malt-sugar in the presence of yeast or invertase gives

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

Which compound has the maximum repulsion with water?

According to Lewis concept ethers behave as:

Which compound shows more hydrogen bonding?

Phenols are derivative of:

The organic compounds which derivative of hydrocarbons due to oxygen is:

To prepare ethanol by fernentation the optimum temp. is

Taste of lower alcohols is:

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

The reaction of sodium with ethanol gives

Ethyl alcohol prepared during fermentation is pure:

Which compound is called a universal solvent?

The strongest acid among the following aromatic compound is

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

Nitration of phenol gives

The boiling point of glycerol is more than propanal because of

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

Ethyl alcohol is industrially prepared from ethylene by

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

During dehydration of alcohols to alkenes by heating with conc. H2SO4, the initial step is

Oxidation of methyl alcohol gives

Which more acidic?

Compound X has molecular formula C10H14O and is unreactive towards mild oxidising agents. What is the structure of the compound formed by dehydration of X

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

Phenol is more readily soluble in

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

In Lucas test primary alcohol make as oily layer

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

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

During dehydration of alcohols to alkenes by heating with conc. H₂SO₄, the initial step is

Compound X has molecular formula C₁₀H₁₄O and is unreactive towards mild oxidising agents. What is the structure of the compound formed by dehydration of X

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