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25 B0 EEE Unit 1 Quiz

Total questions: 25

Worksheet time: 22mins

Name
Class
Date
1.

The branch of science which deals with the study of behaviour of microparticles is

(a)  

2.

The Quantum mechanics helps in drug designing

a)
True
b)
False
3.

The state of a system can be expressed in terms of

a)

wave number

b)

wave frequency

c)

wave function

d)

wave spectra

4.

The probability of finding and electron can be expressed in terms of

a)

Φ

b)

σ

c)

φ

d)

ψ2

5.

Out of the following which is the condition for acceptable wave function

a)

Ψ is finite

b)

Ψ & its first derivative must be linear

c)

Ψ2 must be single valued

d)

Ψ must be infinite

6.

In particle in one dimensional box model the Potential Energy outside the box is

a)

0

b)

Finite

c)

7.

λ ∞ 1/p this relation is called as

(a)  

8.

Particle in one dimensional box gives a clear idea on quantization of energy levels

a)
True
b)
False
9.

V B theory fails to explain

a)

overlapping of atomic orbitals

b)

Formation of covalent bond

c)

strength of covalent bond

d)

Resonance & delocalisation

10.

The lateral overlapping of atomic orbitals forms

a)

σ bond

b)

π bond

c)

Δ bond

d)

ξ bond

11.

V b theory successfully explained about spectra of compounds

a)
True
b)
False
12.

Molecular orbitals are formed when atomic orbitals overlap with each other by

a)

Linear overlapping of Atomic orbitals

b)

Linear combination of Atoms

c)

Linear combination of Atomic orbitals

d)

Linear combination of atoms with quantum numbers

13.

Atomic orbitals with similar symmetry and energy gives rise to form molecular orbitals

a)
True
b)
False
14.

The bonding molecular orbitals are formed by

a)

Constructive overlapping

b)

Destructive overlapping

c)

Constructive combination

d)

Destructive combination

15.

The number of electrons in bonding molecular orbitals of Hydrogen molecule

a)

0

b)

1

c)

4

d)

2

16.

The number of atomic orbitals overlapping gives rise to equal number of Molecular orbitals

a)
True
b)
False
17.

if Nb > Na then the molecule is said to be

a)

Stable

b)

Unstable

c)

Exist

d)

Do not exist

18.

If bond order is equal to zero then the molecule is said to be

(a)  

19.

Draw the bond order for Hydrogen molecule

20.

Draw the MO diagram for O2 molcule

21.

write the molecular orbital configuration for CO molecule and filling of electrons.

(don't draw MO diagram)

22.

The HOMO molecular orbital for 1,3-Butadiene is

a)

Π1

b)

Π2

c)

Π3

d)

Π4

23.

Benzene is not a conjugated system

a)
True
b)
False
24.

The number of Π Bonding molecular orbitals formed for benzene

a)

2

b)

3

c)

4

d)

5

25.

Inphase overlapping of P orbitals forms

a)

BMO

b)

ABMO

c)

NBMO

d)

ANBMO