Question # 1

SN2 mechanism involves

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1st order kinetic

2nd order kinetic

3rd order kinetic

Zero order kinetic

Which class of compounds can not show positional isomerism.

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Alkanes

Alkene

Alkynes

Alcohol

Typical transition element is

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Sc

CO

Ra

Y

What product are formed by the oxidative cleavage of 2-butene by alkaline KMnO4.

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Propionic acid and formic acid

Ethanoic acid only

Ethanal only

Water and ethanol

Which substance is used to convert ethanol to ethyl chloride

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SOCl2

PCl3

PCl5

All of these

Preparation of vegetable ghee involves

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Halogenation

Hydrogenation

Hydroxylation

Dehydrogenation

Benzene molecule is made up of.

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3- pi and 9 sigma bonds

6- pi and 6 sigma bonds

6 -pi and 12 sigma bonds

4 -pi and 12 sigma bonds

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

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Ethene

Ethyne

Methane

Propane

Which has reddish brown colour.

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silver acetylide

Copper acetylide

BaSO4

Aqueous KMnO4 solution

Acid rain fist of all was observed by

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Augus Smith

Robert Hook

Mosley

Watson

The crystals of caustic soda, NaOH, are hygroscopic when these crystals are exposed to air.

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Gain water and remains solid

Gain water and becomes liquid

Lose mass and remain solid

Remain unchanged on heating.

Role of H2S in the given chemical reaction is H2S + I2--------------- 2HI+S

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Oxidising agent

Reducing agent

Dehydrating agent

As an acid

Stability of halogen molecules decreases from

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F2 to I1

Cl2 to I2

I2 to F2

I2 to Cl2

The product of fermentation of sucrose is

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Ethanol and H2O

Ethanol and CO

Ethanol and CO2

Glucose and CO2

An element that has high ionization energy and tends to be chemically inactive would most likely to be

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an alkali metal

a transition element

a noble gas

a halogen

Which element is present in chlorophyll

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Ca

Mg

K

Be

Which one of the followings is not a pollutant.

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CO2

NO2

CO

SO2

The correct name of CH3-CH= CH2-OH is

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2-buten -4 -ol

3-buten-I-ol

2-Buten -I-ol

Ethylene glycol

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Chemistry Fsc Part 2 Online Test MCQs With Answers

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