Question # 1

Which one of the followings is not observed in the combustion of pure methane in a plentiful supply of air

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Water in produced

CO2 is produced

The flame is smoky

Energy is released

Which one of the followings is major product when HBr reacts with 2-butene

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2- bromobutane

1- bromobutane

1-1 di bromobutane

1,2 di bromobutane

Which one is not property or uses of mustard gas

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Used in 1st world war

Powerful vesicant

High boiling liquid

High boiling gas

Which gas act as 'Blistering agent'

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Acetylene

Phosphine

Phosgene

Mustard gas

The catalytic oxidation of methane produces

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CO + H₂O

CO₂+ H₂O

C₂+ H₂O

H₃C - OH

Which alkyne reacts with water and form aldehyde

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Ethyne

Propyne

1- Butyne

2- Butyne

Which one is alcylic compound

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Pyridine

Toluene

Ethyl Benzene

Ethylcyclobutane

When ethyl alcohol is heated with conc. H2SO4 it produces ethene. The temperature required is as proximately

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100 ^oC

78 ^oC

Above 200 ^oC

140- 170 ^oC

The number of acidic hydrogen present in 1- Propyne is

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1

2

3

4

Which compound is least reactive

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CH3-CH3

CH2=CH2

CH=CH

C6H6

Vinyl acetlylene reach with HCl to form

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Polycetylene

Benzene

Chloroprene

Divinylacetylene

Formula of choloroform is

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CH₃Cl

CCl₄

CH₂Cl₂

CHCI₃

Preparation of vegetable ghee involves

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Halogenation

Hydrogenation

Hydroxylation

Dehydrogenation

Which one of the following gases is used welding purpose usualy.

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Methane

Ethane

Ethene

Acetylene

Ethyne on oxidation with strong alkaline KMnO4 changes to

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Ethyl alcohol

Acetaldehyde

Vinyl alcohol

Glyoxal

The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with the rule

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Hund's rule

Markownikov's rule

Pauli's Exclusion Principle

Aufbau Principle

Which one of the following compounds will form red precipitate with ammoniacal cuprous chloride

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Acetylene

Ethylene

Benzene

Methane

Which one of the following gases is used for artificial ripening of fruits.

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Ethene

Ethyne

Methane

Propane

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Chemistry Fsc Part 2 Chapter 8 Online Test MCQs With Answers

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