ECAT Pre Engineering Chemistry Chapter 20 MCQ Test With Answer

Top Scorers Of ECAT Chemistry Chapter 20 Aromatic Hydrocarbons MCQ`s Test

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Farzand Shah Farzand Shah 24 - May - 2024 01 Min 27 Sec 120/120
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Haider Ali 26 - May - 2024 01 Min 54 Sec 120/120
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Muhammad Ali 25 - Jun - 2024 01 Min 51 Sec 115/120
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Usman Saif 29 - May - 2024 01 Min 41 Sec 110/120
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Arooj Fatima 27 - May - 2024 06 Min 10 Sec 105/120
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Najam Mirza 17 - May - 2024 01 Min 59 Sec 100/120
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Abdullah Akhtar 06 - Jun - 2024 07 Min 47 Sec 95/120
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Abdul Nafay 29 - Aug - 2024 03 Min 21 Sec 90/120
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Rana waqar 24 - May - 2024 03 Min 44 Sec 85/120
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Ghulam Destgeer Destgeer 23 - May - 2024 02 Min 05 Sec 80/120
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Abid Hussain 28 - Dec - 2024 04 Min 31 Sec 80/120
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Fatima Anis 05 - Jan - 2025 05 Min 49 Sec 80/120
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Mohad Ikram 20 - May - 2024 05 Min 32 Sec 75/120
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Zoya Zoya 27 - May - 2024 05 Min 45 Sec 75/120
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Tayyaba Perveen 29 - May - 2024 06 Min 52 Sec 75/120

ECAT Chemistry Chapter 20 Important MCQ's

Sr.#	Question	Answer
1	Benzene cannot undergo:	A. Substitutions reactions B. Addition reactions C. Oxidation reactions D. Elimination reactions
2	Ratio of carbon to hydrogen in aromatic compounds is:	A. Low than alkanes B. High than alkanes C. Low than alkanes not high than alkanes D. High than alkanes
3	Aromatic compounds burn with sooty flame cause	A. They have high percentage of hydrogen B. They have a ring structure C. They have high percentage of carbon D. They resist reaction with air
4	Aromatic compounds burn with sooty flame cause:	A. They have high percentage of hydrogan B. They have ring structure C. They have high percentage of carbon D. They resist reaction with air
5	Which term was derived from "aroma":	A. Atom B. Hydrocarbons C. aromatic D. aliphatic
6	Benzene reacts with Cl, in sunlight to give the end product	A. C₆H₆Cl₆ B. C₆H₆Cl C. O - C₆H₄Cl₂ D. P-C₆H₄Cl₂
7	Bond angle in benzene is	A. 109.5° B. 180° C. 120° D. 107.20
8	Which is the property of benzene:	A. Decolourizes KMnO₄ B. straight chain structure C. only double bond is present D. triple and double bond
9	Which term was derived from atomos?	A. atom B. hydrocarbon C. aromatic D. aliphatic
10	Among the following, poly cyclic compound is:	A. styrene B. cumene C. napthalene D. xylene

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ECAT Pre Engineering Chemistry Chapter 20 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 20 Aromatic Hydrocarbons

ECAT Chemistry Chapter 20 Aromatic Hydrocarbons

Which terms was derived from " aroma"?

During nitration of benzene. the active nitrating agent is

The hybirdization in benzene is:

Which compound is the most reactvie one:

empirical formula mass of benzene is time lesser than moleculer formula mass:

Among the following, poly cyclic compound is:

Amongst the following, the compound that can be most readily sulphonated is

Ozonolysis of benzene gives:

Aromatic hydrocarbons are the derivatives of:

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Kekule structures contributed towards actual structure of benzene

The conversion of n-hexane into benzene by heating in the presence of CO, is called

Benzene gives reactions generally:

The hydridization in benzene is

Which is the property of benzene:

Which term was derived from "aroma":

Aromatic compounds burn with sooty flame cause:

Which term was derived from atomos?

Benzene cannot undergo:

Monosubstituted benzene can have disubstitution at position

Which of the following is explosive:

Benzene was discovered by first of all:

empirical formula mass of benzene is time lesser than moleculer formula mass:

Benzene acid can be prepared from the oxidation of:

Ozonolysis of benzene gives

Empirical formula mass of benzene is times lesser than molecular formula mass

The conversion of n-hexane into benzene by heating in the presence of Cr2O3 is called:

Which is the property of benzene?

Benzene gives reactions generally:

Aromatic hydrocarbons are derivatives of

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Top Scorers Of ECAT Chemistry Chapter 20 Aromatic Hydrocarbons MCQ`s Test

ECAT Chemistry Chapter 20 Important MCQ's

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_{Which compound is the most reactvie one:}

The conversion of n-hexane into benzene by heating in the presence of Cr₂O_{3 is called:}