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

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Important Questions on The s-Block Elements

EASY

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

The ion having the highest mobility in aqueous solution is

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

The correct order of density is

MEDIUM

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

A metal on combustion in excess air forms

X

X

upon hydrolysis with water yields

H_{2} O_{2}

and

O_{2}

along with another product. The metal is:

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

Ion having highest hydration enthalpy among the given alkaline earth metal ions is:

EASY

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

s-block element which cannot be qualitatively confirmed by the flame test is

MEDIUM

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

Name a nitrate that does not yield corresponding metal oxide, nitrogen dioxide on heating.

HARD

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

Powdered Beryllium burns in air to give

MEDIUM

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

{BeCl}_{2}

reacts with

{LiAlH}_{4}

to give

EASY

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

The metal that forms nitride by reacting directly with

N_{2}

of air is:

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

Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:

EASY

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

Which one of the following alkaline earth metal ions has the highest ionic mobility in its aqueous solution?

EASY

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

The main oxides formed on combustion of Li, Na and K in excess of air are respectively:

EASY

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

The oxide of potassium that does not exist is

EASY

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

On combustion of

Li, Na

and

K

in excess of air, the major oxides formed, respectively, are:

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

EASY

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

Magnesium powder burns in air to give

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

Important Questions on The s-Block Elements

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