Inert Pair Effect Quiz

What is the main reason for the inertness of the 6s electrons in heavy metals?

• Poor shielding effect of 4f and 5d orbitals

• Strong nuclear force

• High energy requirement

• Presence of 6p electrons

Which ion of thelium is more stable without additional energy input?

• Thelium +1

• Thelium +4

• Thelium +2

• Thelium +3

What is the oxidation state of the Boron family that is more stable?

• +2

• +1

• +4

• +3

In the Carbon family, which oxidation state is less stable?

• +3

• +2

• +4

• +1

For the Nitrogen family, which oxidation state shows increased stability down the group?

• +3

• +5

• +1

• +6

Which family shows a +6 oxidation state that is less stable?

• Carbon family

• Boron family

• Nitrogen family

• Oxygen family

In the Oxygen family, which element is more stable in the +4 oxidation state?

• Oxygen

• Sulfur

• Tellurium

• Selenium

Which element from the Boron family is more stable in the +3 oxidation state?

• Boron

• Thallium

• Indium

• Gallium

In the Nitrogen family, which element is more stable in the +5 oxidation state?

• Phosphorus

• Antimony

• Arsenic

• Bismuth

Which element from the Carbon family is more stable in the +2 oxidation state?

• Silicon

• Tin

• Carbon

• Lead