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
Alkali metals react with water vigorously to form hydroxides and dihydrogen. Which of the following alkali metals reacts with water least vigorously?
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
From left to right in a period, the acidic nature of the oxides of elements
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Water upon reaction with sodium metal produce:
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Which of the following properties do not match with elements of the halogen family?
HARD
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
In the case of alkali metals, the covalent character decreases in the order
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
In the case of alkali metal halides, the ionic character increases in the order.
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
The oxides of the elements of groups 1 and 2 are _____ in nature.
EASY
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
In the periodic table, the metallic character of elements:
EASY
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Hydroxides of metals are formed upon reaction of metals with
EASY
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Which of the following is the weakest base?
HARD
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
The correct order of increasing polarising power of the cations in the following AlCl3, MgCl2, NaCl
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
Moving down in Group 17 of the Periodic Table
EASY
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
Elements of second period are called _____ elements.
MEDIUM
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
The most basic oxide is
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
The reaction of calcium and water is _____.(precipitation/decomposition)
EASY
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements

Consider the following statements(s) regarding the preparation of hydrogen gas?

I. Reaction of potassium with cold water.

II. Reaction of calcium with boiling water.

III. Reaction of aluminium with steam

IV. Reaction of iron with boiling water or steam

The incorrect statement is 

HARD
Chemistry>Inorganic Chemistry>Periodicity>Periodic Trends in the Properties of Elements
The reaction between sodium and water can be made less vigorous by