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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Tayyaba Perveen 29 - May - 2024 06 Min 52 Sec 75/120

ECAT Chemistry Chapter 20 Important MCQ's

Sr.#	Question	Answer
1	Bond angle in benzene is	A. 109.5° B. 180° C. 120° D. 107.20
2	Which terms was derived from " aroma"?	A. atom B. hydrocarbons C. aromatic D. aliphatic
3	The electrophile in aromatic sulphonation Is	A. H₂SO₄ B. HSO₄^- C. SO₃ D. SO₃⁺
4	Which of the following is explosive?	A. Trinitrophenol B. Nitrophenol C. Nitromethane D. Nitrobenzene
5	The hybirdization in benzene is:	A. sp³ B. sp² C. sp² D. dsp²
6	The hydridization in benzene is	A. sp³ B. sp² C. sp⁴ D. dsp²
7	Acyiation of benzene to produce aliphatic aromatic ketones is known as	A. Friedel Craft's reaction B. benzenecondensation C. hydroformylation D. Clemmensen reduction
8	During nitration of benzene. the active nitrating agent is	A. NO₃^-1 B. NO₂⁺ C. NO₂^-1 D. HNO₃
9	Kekule structures contributed towards actual structure of benzene	A. 60% B. 70% C. 80% D. 90%
10	Benzene gives reactions generally:	A. Electropholic subsitution B. addition C. synthesis D. addition and electropholic subsitution

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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

Ozonolysis of benzene gives:

Which term was derived from "aroma":

Aroma meas:

Which is the property of benzene:

Which of the following is explosive:

Characterstics of aromaic are:

Simplest aromatic compound is

Aromatic compounds burn with sooty flame cause

Benzene acid can be prepared from the oxidation of:

Ozonolysis of benzene gives

The electrophile in aromatic sulphonation Is

Acylation of benzene to produce aliphatic aromatic ketones is known as:

Which compound is the most reactvie one:

Aromatic hydrocarbons are derivatives of

Among the following, poly cyclic compound is:

Benzene was discovered by first of all:

Which compound is the most reactive one?

Among the following, poly cyclic compound is

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

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

Aromatic hydrocarbons are the derivatives of:

Benzene cannot undergo:

Benzene cannot undergo

Simple aromatic compound is:

Resonance energy of benzene is (in KJ mol-1)

Bond angle in benzene is :

Which terms was derived from " aroma"?

During nitration of benzene, the active nitrating agent is:

Aromatic compounds burn with sooty flame cause:

The hybirdization in benzene is:

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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:}

Resonance energy of benzene is (in KJ mol^-1)