Question # 1

Which compound is the most reactive one

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benzene

ethene

ethane

ethyne

Primary, Secondary and tertiary alcohols can be distinguish by.

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Iodoform test

Lucas test

Fehling solution

Ammoniacal silver nitrates

Grignard reagent is reactive due to

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The presence of halogen atom

The presence of Mg atom

The polarity of C -Mg bond

None of the above

CO₂H is a functional group as

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Alkoxy

Carbonyl

Carboxyl

Hydroxyl

Which compound will have the maximum repulsion with water

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C₆H₆

C₂H₅OH

C₃H₇OH

CH₃OCH₃

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

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Methane

Ethane

Ethene

Acetylene

PCl3 reacts with water to form

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PH3

POCl3

H3PO4

H3PO5

Which one of the following group of Periodic table called chalcogen family.

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Group III A

Group VA

Group VI A

Group VII A

Which compound shows maximum hydrogen bonding with water.

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CH3OH

C2H5OH

CH3-O-CH3

C6H5OH

Geometrical shape of [CO(NH3)6Cl3

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linear

square planar

Octahedral

Trigonal hypyramid

Which is the second most abundant element in the universe

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H

He

CO

C

The most ionic is

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HF

HCl

HBr

HI

Which halogen will react spontaneously with Au(s) to produce Au³⁺

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Br₂

F₂

I₂

Cl₂

According to Lewis concept, ethers behave as

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Acid

Base

Nucleophile

Solvent

Alcohol obtained by fermentation is only upto

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10%

12%

20%

95%

Which one is not electrophile

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BF3

SO3

AlCl3

NH3

Which of the following compounds is used to make spray, which has fungicidal action.

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BaSO4

Na2CO3

CaO

CaSO4.2H2O

Reverse of esterification is known as

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Trans esterification

Saponification

Hydrolysis

Neutralization

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