EASY
Earn 100

Explain the reason for covalent compounds formation by lithium?

Important Questions on The s-Block Elements

EASY
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salt are put under an electric field?
EASY
On heating, LiNO3 gives how many compounds among the following?
Li2O,N2,O2,LiNO2,NO2
EASY
Both lithium and magnesium display several similar properties due to the diagonal relationship; however, the one which is incorrect is:
HARD
A metal M reacts with nitrogen gas to afford M 3 N M 3 N  on heating at high temperature gives back M and on reaction with water produces a gas B. Gas B reacts with an aqueous solution of CuSO4 to form a deep blue compound. M and B respectively are
EASY
Which of the following elements mostly form covalent compounds?
MEDIUM
Among the statements a-d, the correct ones are:
(a) Lithium has the highest hydration enthalpy among the alkali metals.
(b) Lithium chloride is insoluble in pyridine.
(c) Lithium cannot form ethynide upon its reaction with ethyne.
(d) Both lithium and magnesium react slowly with H2O .
EASY
Two elements A and B have similar chemical properties. They don't form solid hydrogencarbonates, but react with nitrogen to form nitrides. A and B, respectively, are :
MEDIUM
Which among the following alkali metal chloride crystallizes in form of hydrate?
EASY
From the given pairs of elements, the correct set of elements that does not possess diagonal relationship is;
MEDIUM

Identify the ions which form hydrated chlorides from the following:

a) Ba2+
b) Li+
c) Sr2+
d) Cs+
e) Mg2+
f) Rb+
g) Ca2+

MEDIUM
Which of following elements does not form amide when reacted with ammonia?
MEDIUM
Alkali metals M dissolve in liquid NH3 to give
EASY
An element A of group 1 shows similarity to an element B belonging to group 2. If A has maximum hydration enthalpy in group 1 then B is
EASY
Identify the correct statement from the following.
HARD
Discuss the diagonal relationship of lithium with magnesium.
HARD
Discuss the anomalous behaviour of lithium in its group. Compare the properties of lithium with those of magnesium.
HARD
List three properties of lithium in which it differs rest of the alkali metals.