Question # 1

In ethene molecule, the number of atoms which are present in the same plane are.

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2

6

3

4

The isomers always have same

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Chemical properties

Structural formula

Molecular formula

Physical properties as well as chemical properties

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 one of the following elements burns in air to form an oxide which, when shaken with water, give a solution with a pH greater than 7.

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Carbon

Magnesium

sulphur

Hydrogen

The brown gas formed when metal reduces HNO3 is

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N2O5

N2O3

NO2

NO

Which of the following acid can be used as a catalyst in Friedel Craft's reactions

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AlCl₃

HNO₃

BeCl₂

NaCl

Vinyl acetylene combines with HCl to form

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Polyacetylene

Benzene

Chloroprene

Divinyl acetylene

Which one of the following alkanes will be formed by the hydrolysis of ethyl magnesium bromide

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Methane

Ethane

Butane

do not hydrolysed

Which one is basic amino acid

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Lysine

Alanine

Glycine

Aspartic acid

The product of fermentation of sucrose is

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Ethanol and H2O

Ethanol and CO

Ethanol and CO2

Glucose and CO2

The state of hybridization in ethene molecule is

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dsp²

sp³

sp²

sp

Which substance shows very weak hydrogen bonding with water.

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Methanol

Ethanol

Diethyl ether

Benzene

Which acid can not be stored in glass bottles.

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HCl

HF

H2SO4

HNO3

Which is not a calcarious material

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Clay

Limestone

Marble

Chalk

Which one of the following comp9ounds on hydrolysis will not produce a carboxylic acid.

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Alkyl halide

Alkyl Nitrite

Addition product of Grignard reagent and CO2

Ester boiled with sodium hydroxide

Elimination biomolecular reactions involve.

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First order kinetics

Second order kinetics

third order kinetics

Zero order kinetics

Which one of the following is not use of acetic acid.

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Coagulant for rubber latex

Local irritant

Formation of rayon and silk

Formation of alcohol

Which reagent is used to reduce a carboxylic group to an alcohol

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N₂/ Ni

H₂/Pt

NaBH₄

LiAIH₄

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