EASY
Earn 100

Compare the solubility of alkali fluorides.

Important Questions on Periodicity

MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements

From your knowledge of the activity series name a metal:

whose hydroxide is a strong base.

MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements

Which of the following is neutral oxide?

MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
How does the following property vary in the periodic table?
Non-metallic character.
EASY
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements

From your knowledge of the activity series name a metal:

which reacts readily with cold water giving hydrogen.

MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements

Give a reason for the following:

Metallic oxides are also known as basic oxides.

MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Basic oxides turn blue litmus to red.
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with a monovalent metal.
EASY
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
What is the common feature of the electronic configuration of the elements at the end of Period 2 and Period 3?
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Find the odd one and give reason for your choice.

BaO, CaO, Na2O, CO2, Al2O3

EASY
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Define diagonal relationship.
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
A piece of calcium is dropped in water. Write an equation for the reaction that takes place.
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements

What is the difference between acidic oxides and basic oxides? Write an equation for each.

MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Non- metals react with oxygen to form acidic oxides.
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with a divalent metal.
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Name the following:
The element that reacts with water to give an alkaline solution.
EASY
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements

Give two examples for the following:

Acidic oxides

MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Which of the following represents the correct order of covalent character among the iodides of alkali metals?
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Which of the following oxides are acidic, basic, amphoteric or neutral?
Zinc oxide, carbon monoxide, sodium oxide and sulphur dioxide.
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
_____ oxides are also known as basic oxides.(Metal/Non-metal)
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements

Give equations to express the reaction between:

steam and red hot iron.