ECAT Pre Engineering Chemistry Chapter 22 MCQ Test With Answer

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Zaman Shehzad 24 - May - 2024 07 Min 20 Sec 85/120
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Meerab Ihtisham 05 - Jun - 2024 16 Min 13 Sec 80/120
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Muhammad Faizan 20 - Feb - 2024 14 Min 54 Sec 75/120
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Ayan Khan 06 - Aug - 2024 05 Min 31 Sec 70/120
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Abdullah 08 - Mar - 2024 04 Min 10 Sec 65/120
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ECAT Class Chemistry Chapter 22 Important MCQ's

Sr.#	Question	Answer
1	Which of the following is known as wood spirit	A. Ethyl alcohol B. Propyl alcohol C. Methyl alcohol D. Butyl alcohol
2	Alcohol can be denaturated by adding:	A. Acetone B. Methanol C. Pyridine D. All
3	Which is possible in ethers?	A. Reactivity high B. Oxidation and reduction C. Reactivity towards bases D. Towards acids
4	Alcohols are derivatives of:	A. Benzene B. Alkanes C. Alkens D. Alkynes
5	Phenol is also known as	A. Acetic acid B. Carbolic acid C. Tararic acid D. Trichloroacetic acid
6	The organic compounds which derivative of hydrocarbons due to oxygen is:	A. Phenol B. Alcohol C. Alkyl halide D. Either
7	Ethyl alcohol on oxidation with K₂Cr₂O₇gives	A. Acetic acid B. Acetaldehyde C. Formaldehyde D. Formic acid
8	Oxidation of methyl alcohol gives	A. Formaldehyde B. Acetone C. Ester D. Acid
9	When phenol is distilled with zinc dust. It is reduced to	A. Benzene B. Benzaldehyde C. Toluene D. Hexanol
10	Dehydration of an alcohol at 180°	A. Alkene B. Ether C. Ester D. An hydride

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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

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 of the following will not give iodoform test?

Glucose in the presence of zymase is converted into

The formula of secondary alcohol is

Which is a reagent for Lucas test

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 reacts immediately with conc. HCI in the presence of ZnCI2

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

Phenol is more readily soluble in

Phenol is used in the preparation of

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

Isopropyl alcohol on oxidation gives

Ethylene reacts will 1% cold alkaline KMnO4to give

Diethyl ether is obtained by Williamsons synthesis using

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

C2H5OH can be differentiated from CH3OH by

Maximum number of active hydrogens are present in

Na reacts with phenol to produce

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

Which the increase in carbon number of solubility of an alcohol

Alcohols of low molecular weight are

Dow's process is used for the preparation of

Dehydration of an alcohol at 180°

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

Methyl alcohol is not used:

The hydroxyl derivatives of aromatic hydrocarbons which have the -OH group directly bonded to the ring C-atom are called

Derivative of water is:

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

Which of the following is weakly acidic in nature

To prepare ethanol by fernentation the optimum temp. is

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ECAT Class Chemistry Chapter 22 Important MCQ's

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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

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 reacts immediately with conc. HCI in the presence of ZnCI₂

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

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

Ethylene reacts will 1% cold alkaline KMnO₄to give

C₂H₅OH can be differentiated from CH₃OH by

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

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