Chemistry Quiz on s-Block and p-Block Elements

Hydrogen is placed in Group 1 because:

• It has one electron in its outer shell

• It forms ionic compounds like alkali metals

• It has properties of both metals and non-metals

• All of the above

Which alkali metal hydroxide is the strongest base?

• LiOH

• NaOH

• KOH

• CsOH

Which of the following is NOT an alkali metal?

• Lithium

• Magnesium

• Sodium

• Potassium

The diagonal relationship between Li and Mg is due to:

• Similar atomic size and charge density

• Same electronic configuration

• Presence in the same group

• Similar melting points

Na₂CO₃ is known as:

• Baking soda

• Washing soda

• Bleaching powder

• Caustic soda

The formula of potassium bromide is:

• KBr

• K₂Br

• KBr₂

• K₂Br₂

Which of the following alkali metals forms a superoxide?

• Li

• Na

• K

• Rb

Which metal is extracted using the electrolytic process?

• Sodium

• Iron

• Mercury

• Copper

Anomalous behavior of Be is due to:

• Small size and high charge density

• Its metallic nature

• High electronegativity

• Presence of unpaired electrons

Which of the following compounds is known as caustic soda?

• Na₂CO₃

• NaOH

• NaHCO₃

• NaCl