Question # 1

which one of the general formula of alkene

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CnH2n

Cn2n+2

CnH2n-2

CnH2n+1

The number of possible isomers of xylene are

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2

3

4

5

Which one of the following compounds is a heterocyclic.

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Anthracene

Phenol

Pyridine

Aniline

The element of 2nd period, which has highest ionization energy from the following is

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Be

C

N

O

Acetaldehyde can be prepared by the oxidation of.

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Acetic acid

Ethanol

1- Proponal

Ethanonic acid

Ethanol can be converted into ethanoic acid by

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Hydrogenation

Hydration

Oxidation

Fermentation

Which one the following a dihydric alcohol

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Ethanol

Cyclo hexanol

Glycerol

Glycol

Which one is not electrophile

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BF3

SO3

AlCl3

NH3

The element cesium bears resemblance with

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Ca

Cr

Both of the above

None of the above

Formation of cyanohydrin from an aldehyde in an example of.

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Nucleophilic substitution

Nucleophilic addition

Electrophilic addition

Electrophilic substitution

Silver mirror test is given by

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Ethers

Ketones

Acids

Aldehydes

Ionic Hydrides react with water to form

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Proton

Hydride ions

Hydroxide ions

Hydronium ions

In which block of periodic table non metals are present.

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s

p

d

f

Galvanized iron is protected by a thin layer of

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Cr

Zn

Sn

Pb

Phosphorus helps the growth of

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Root

Leaf

Steam

Seed

First organic compound prepared in laboratory was.

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Glucose

Methane

Urea

Alcohol

Aromatic hydro carbon are the derivatives of

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Normal series of paraffins

Alkene

Benzene

Cyclohexane

-------------------- is Alcohol in the following

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CH₃.CH₂.OH

CH₃.O.CH₃

CH₃COOH

CH₃.CH₂.SH

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