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	Which compound will not dissolve in H₂O	A. C₆H₆ B. C₂H₅OH C. CH₃CH₂CH₂OH D. CH₃- OH
2	The order of reactivity of halogen acids for reaction with C₂H₅OH is	A. HCl > HBr > HI B. HI > HBr > HCl C. HBr > HI > HCl D. HBr > HCl > HI
3	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
4	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
5	Phenol gives ---------- Colour with neutral FeCl₃solution	A. Violet B. Green C. Red D. Blue
6	Which is possible in ethers?	A. Reactivity high B. Oxidation and reduction C. Reactivity towards bases D. Towards acids
7	Phenol is used in the preparation of	A. Bakelite B. Phenatherene C. Cellulose D. All of these
8	Alcohols, phenols and ethers may be considered as derivative of	A. Hydrocarbons B. Benzene C. Carboxylic acid D. Water
9	Which of the following groups will increase the acidity of phenol?	A. -NO₂ B. -CN C. -X (halogens) D. All
10	The malt-sugar in the presence of yeast or invertase gives	A. Fructose B. Glucose C. Lignin D. Alcohol

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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

How many secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH2OH

Alcohols of low molecular weight are

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

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

Baukelite is a polymer obtained from two monomers

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

Which is used as an antifreeze?

Phenol is also known as

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

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

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

Which one is primary alcohol?

Which of the following is used as anesthetics

Which compound is more soluble in water?

According to Lewis concept ethers behave as:

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Ethyl alcohol on oxidation with K2Cr2O7gives

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

Which of the following is known as wood spirit

Which more acidic?

Alcohols are derivatives of:

Ethanol containing some methanol is called

Ethanol can be converted into ethanoic acid :

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

Picric acid is

Which of the following compound is obtained on passing ethanol vapours on heated Al2O3?

Which of the following is correct?

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

Ethanol can be converted into ethanoic acid by

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

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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 secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH₂OH

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

When alcohol reacts with concentreated H₂SO₄intermediate compound formed as

Ethyl alcohol on oxidation with K₂Cr₂O₇gives

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

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

Which of the following compound is obtained on passing ethanol vapours on heated Al₂O₃?

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