Question # 1

The state of hybridization in ethene molecule is

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dsp²

sp³

sp²

sp

In ethene molecule how many carbon orbitals are equivalent and degenerate in nature.

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3

4

5

6

First organic compound prepared in laboratory was.

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Glucose

Methane

Urea

Alcohol

Catalyst used in thermal cracking

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Platinum

Nichel

Al2O3 and SiO2

Fe2O3 and CuO

An sp3- hybrid orbital contains.

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25% s- characters

50% s- characters

75% s- characters

100% s - characters

CO₂H is a functional group as

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Alkoxy

Carbonyl

Carboxyl

Hydroxyl

Which one of the following compound has octane number 100.

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2,2,4-trimethyl petane

n- pentane

2,4-dimethyl pentane

2- methyl pentane

Which one of the following compounds show geometrical isomerism in it.

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1- pentene

1,1 dichloro ethane

all of these

2- Pentene

In which hybridization bond angle is maximum

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sp3

sp2

sp

sp3 and sp have same angles

-SH Functional group is called

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Cyano

Mercapto

Nitro

Carboxyl

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

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2

6

3

4

Which one of the following compounds is a heterocyclic.

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Anthracene

Phenol

Pyridine

Aniline

The bond angle between any two SP²Hydridized orbitals is of

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180°

109.5°

120°

107.5°

Wohler synthesized first organic compound in laboratory from

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Heating cyanogen's

Cyanogen and ammonium chloride solution

Cyanogen and HNO2

Heating ammonium cyanate

Which set of Hybrid orbital has planner triangular shape

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sp

sp²

dsp²

sp³

The quality of petroleum is determined by

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Decane number

Octane number

Hexane number

Gold number

which one is not fossil fuel

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Petroleum

Natural gas

Coal

Alcohol

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