Question # 1

Which of the following has linear structure.

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CO2

NH3

CH4

H2O

The number of bonds in oxygen molecules.

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One sigma and One pi

One sigma and two Pi

Three sigma only

Two sig and two pi

Which compound does not obey the octet rule.

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NH3

BCl3

H2O

CH4

Which of the following species has unpaired electrons in antibonding molecular orbitals.

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O2⁺²

N2^-2

B2

F2

VSEPR theory was proposed by

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Nyholn and Gillespie

Kossel

Lewis

Sidwick

Which of the hydrogen halides has the highest percentage of ionic character

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HF

HBr

HCI

HI

Which of the following molecules have highest bond energy

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F2

Cl2

Br2

I2

A molecule has two ions pairs and two bond pairs around the central atom. The shape of molecule is.

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Linear

Pyramidal

Angular

Tetrahedral

Dipole Moment of H2O is.

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1.61 D

1.85 D

0.95 D

1.49 D

Molecule in which the distance between two carbon atoms in the largest is.

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C2H6

C2H4

C2H2

C6H6

The molecule having zero dipole moment is.

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NH3

CHCl3

H2O

BF3

Forces of attraction between He atoms are.

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Hydrogen bonding

London forces

Debye forces

Ion dipole forces

The molecular shape of SO3 is.

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Triangular planar

Tetrahedral

Pyramidal

Linear

Which molecule has sG2 hybridization.

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CH4

C2H4

C2H2

C2H5

Which of the following species has unpaired electrons in anti-bonding molecular orbitals

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O₂⁺²

N₂^-2

B₂

F₂

In which of the following Paris, do the elements form a compound by sharing electrons.

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carbon and chlorine

Lithium and iodine

Neon and oxygen

Potassium ad bromine

A molecular orbital can accommodate maximum electron

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2

6

8

10

Which molecules is 100% covalent

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H2

H2O

HF

NH3

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Chemistry Fsc Part 1 Chapter 6 Online Test MCQs With Answers

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