1
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following pairs is not correctly matched?

A
Hund's rule In orbitals of equivalent energy electron spins remain unpaired if possible
B
Pauli's exclusion principle No two electrons can have all the four quantum numbers identical
C
Zeeman effect The effect of magnetic field on the automatic spectra
D
Uncertainty principle It is impossible to determine the position of an electron
2
VITEEE 2021
MCQ (More than One Correct Answer)
+1
-0

The orbital diagram in which Aufbau principle is violated is

A
VITEEE 2021 Chemistry - Atomic Structure Question 3 English Option 1
B
VITEEE 2021 Chemistry - Atomic Structure Question 3 English Option 2
C
VITEEE 2021 Chemistry - Atomic Structure Question 3 English Option 3
D
VITEEE 2021 Chemistry - Atomic Structure Question 3 English Option 4
3
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

How does electron affinity change when we move from left to right in a period in the Periodic Table?

A
It increases
B
It decreases
C
It remains unchanged
D
It first increases and then decreases
4
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is not correct?

A
lonisation energy increases on going down a group in the Periodic Table
B
Among alkaline earth metals, reducing character increases down the group
C
Fluorine is the most electronegative element
D
Metallic character increases on going down a group in the Periodic Table
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