Question # 1

NO2 can be obtained by heating.

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NaNO3

KNO3

Pb(NO3)2

NH3NO3

Which alkyl halide does not form Grignard's reagent.

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CH3-Br

CH3-Cl

CH3- F

CH3-I

Which catalyst is used in contact process.

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Fe2O3

V2O5

SO3

Ag2O

Which hydride is intermediate in nature.

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NaH

BeH2

NH3

HCl

Cyanogen chloride reacts with ethyl magnesium bromide to give

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CH₃CH₂Cl

CH₃CH₂Br

C₄H₁₀⁺

CH₃CH₂CN

Which of the following element has lowest ionization energy

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Beryllium

Boron

Carbon

Oxygen

The resonating contributing structures of Benzene are

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2

3

5

7

Which substance is used in photography

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AgCl

AgBr

AgI

Ag3PO4

In which one of the following sets do all three particles have same number of total electrone

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F- ,Cl-,Br-

Li+ , Na+ , K+

N^--3, O-2, F-,

Na+, Mg+2, K+

Hydrogen bond is the strongest between the molecules of.

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HF

HCl

HBr

HI

Structure of carbonyl is

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Tetrahedral

Linear

Octahederal

Trigonal planar

Which raw material is used for manufacture eof HNO3 by Birkland eyed process

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NH3 and CO2

Air

Air and gypsum

Lime stone and urea

Which oxide is more basic in nature.

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Beo

MgO

CaO

BaO

Conversion of phenol to benzene is known as.

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Oxidation

Reduction

Hydrolysis

Hydration

Which one is not an argillaceous material.

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Clay

Shale

State

Gypsum

Grignard's 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

According to Lewis concept, ethers behave as

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Acid

Base

Nucleophile

Solvent

The flavour of amylacetate is

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Orange

Apricot

Banana

Pineapple

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