Complete the following chemical reactions. PbS s + H 2 O 2 aq → MnO 4 - aq + H 2 O 2 aq → CaO s + H 2 O g → AlCl 3 g + H 2 O l → Ca 3 N 2 s + H 2 O l → The major products of these five reactions, respectively, are:

PbSO 4 s , Mn 2 + aq , Ca OH 2 aq , Al H 2 O 6 3 + aq , NH 3 g

PbSO 3 s , MnO 2 aq , Ca OH 2 aq , Al H 2 O 6 3 + aq , NH 3 g

Pb 2 + aq , MnO 4 2 - aq , CaCO 3 s , Cl - aq N H 3 ( g )

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Ine metal which dissolves in liquid ammonia to give a blue-black solution due to formation of solvated electron is

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Important Questions on The s-Block Elements

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

Magnesium powder burns in air to give

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

Reaction of ${BeCl}_{2}$ with ${LiAlH}_{4}$ gives :

(A) ${AlCl}_{3}$

(B) ${BeH}_{2}$

(D) $LiCl$

(E) ${BeAlH}_{4}$

Choose the correct answer from options given below

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

The pair of elements that form both oxides and nitrides, when burnt in air are

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

A metal

' M'

readily gives

{MSO}_{4},

which is soluble in water. It forms its oxide

M 0

which is amphoteric. It forms an insoluble hydroxide

M (OH)_{2},

which is soluble in

NaOH

solution. The

M

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

The element whose salts cannot be detected by flame test is.

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Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

A piece of

Mg

ribbon is heated to redness in nitrogen atmosphere and the treated with water. The gas evolved is

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

{BeCl}_{2}

reacts with

{LiAlH}_{4}

to give

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

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

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

The alkaline earth metal nitrate that does not crystallise with molecules is:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

Which one of the following is a true peroxide?

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Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

The correct order of solubility of the sulphates of alkaline earth metals in water is

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

Element

X

forms a chloride with the formula

{XCl}_{2},

which is a solid with a high melting point.

X

would most likely be in the same group in the periodic table as

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

The activity of alkaline earth metals as reducing agents

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

Which of the following alkaline earth metal nitrate does not have water of crystallization?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

Which of the following metal evolves hydrogen on reacting with cold dilute

{H N O}_{3} ?

HARD

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

A piece of magnesium was heated in the atmosphere of nitrogen. The compound formed after cooling and treating with water is

HARD

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

Complete the following chemical reactions.

PbS (s) + H_{2} O_{2} (aq) \to

{MnO}_{4}^{-} (aq) + H_{2} O_{2} (aq) \to

CaO (s) + H_{2} O (g) \to

{AlCl}_{3} (g) + H_{2} O (l) \to

{Ca}_{3} N_{2} (s) + H_{2} O (l) \to

The major products of these five reactions, respectively, are:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

In a gas lighter, mechanical energy is converted into electrical energy by using crystals of barium titanate. Barium titanate is

HARD

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

Alkaline earth metals produce bright blue colour when they dissolved in liquid ammonia. It is due to

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Chemical Properties of Group 2 Elements

The activity of alkaline earth metals as reducing agent

Ine metal which dissolves in liquid ammonia to give a blue-black solution due to formation of solvated electron is

Important Questions on The s-Block Elements

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