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Class -XI A PT-1 Chem

Last updated over 5 years ago

5 questions

Note from the author:

All questions are compusory

1

1

1

1

1

Question 5

5.

Define probabilty density

Question 1

1.

The correct electronic configuration for Fe2+ is

3d6 4s2

4s2 3d4

3d6

none

Question 2

2.

The negative energy of electron means

it is free electron 

it has high electron gain entalpy

it is revolving around the nucleus

none

Question 3

3.

The electronic configuration of nitrogen 1s2, 2s2, 2px2,2py1,2pz0 is incorrect bcz

it does not follow pauli s exclusion principle

it does not follow Aufbau s principle

it does not follw Hund s rule

All

Question 4

4.

Which of the following is not correct with reference to uncertainty principle

Both position and momentum of a moving electron can not be calculated 

Apllicable for microscopic particles

The product of unertainty in position and momentum of moving microscopc particle is equal or greater than h/4pi

All