EASY
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The alkaline earth metals do not show an oxidation state greater than + 2.

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Important Questions on The s-Block Elements

MEDIUM
The alkaline earth metal nitrate that does not crystallise with molecules is:
EASY
s-block element which cannot be qualitatively confirmed by the flame test is
EASY
The element whose salts cannot be detected by flame test is.
MEDIUM

Given below are two statements :

Statement I : Lithium and Magnesium do not form superoxide

Statement II : The ionic radius of Li+ is larger than ionic radius of Mg2+ In the light of the above statements, choose the most appropriate answer from the questions given below :

In the light of the above statements, choose the most appropriate answer from the questions given below :

MEDIUM

Reaction of BeCl2 with LiAlH4 gives :

(A) AlCl3

(B) BeH2

(C) LiH

(D) LiCl

(E) BeAlH4

Choose the correct answer from options given below

MEDIUM
Magnesium is burnt in the air to form A and B. When B is hydrolyzed, C and D are formed. D is the reactant in the manufacture of nitric acid by Ostwald's process. What is C ?
EASY
The pair of s-block metals, which gives crimson colour to the flame is:
MEDIUM

Given below are two statements, one is labelled as

Assertion A and the other is labelled as Reason R.

Assertion A : Beryllium has less negative value of reduction potential compared to the other alkaline earth metals

Reason R : Beryllium has large hydration energy due to small size of Be2+but relatively large value of atomisation enthalpy.

In the light of the above statements, choose the most appropriate answer from the options given below.

MEDIUM
The pair of elements that form both oxides and nitrides, when burnt in air are
MEDIUM
The alkali metal that reacts with nitrogen directly to form nitride is
EASY
What happens when carbon dioxide gas is bubbled through lime water?
(i) In small amount
(ii) In excess
HARD
Give reasons for the following
A piece of burning magnesium ribbon continues to burn in SO2.
HARD
In what respects, does BeCl2 differ from the halides of group 2 elements?
EASY
Carbon dioxide turns the lime water milky due to the formation of
EASY
The activity of alkaline earth metals as reducing agents
MEDIUM
Which of the following options does not react with Magnesium?
MEDIUM
Magnesium forms Mg2+ and not Mg+. Which of the following is the correct reason behind this?
HARD
A piece of magnesium was heated in the atmosphere of nitrogen. The compound formed after cooling and treating with water is