Match the following compounds (Column-I) with their uses (Column-II) S. No. Column-I S.No. Column-II (I) Ca OH 2 (A) casts of statues (II) NaCl (B) white wash (III) CaSO 4 · 1 2 H 2 O (C) antacid (IV) CaCO 3 (D) washing soda preparation

(I)-(B), (II)-(D), (III)-(A), (IV)-(C)

(I)-(D), (II)-(A), (III)-(C), (IV)-(B)

(I)-(B), (II)-(C), (III)-(D), (IV)-(A)

(I)-(D), (II)-(C), (III)-(B), (IV)-(A)

HARD

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Dehydration of hydrates of halides of calcium, barium and strontium i.e., ${CaCl}_{2} . 6 H_{2} O$ , ${BaCl}_{2} . 2 H_{2} O$ , ${SrCl}_{2} . 6 H_{2} O$ can be achieved by heating. Which of the following statement is incorrect about these halides?

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Important Questions on The s-Block Elements

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

The correct sequence of thermal stability of the following carbonates is:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

The structures of beryllium chloride in the solid state and vapour phase, respectively, are:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

Match the following compounds (Column-I) with their uses (Column-II)

S. No.	Column-I	S.No.	Column-II
(I)	$Ca {(OH)}_{2}$	(A)	casts of statues
(II)	$NaCl$	(B)	white wash
(III)	${CaSO}_{4} \cdot \frac{1}{2} H_{2} O$	(C)	antacid
(IV)	${CaCO}_{3}$	(D)	washing soda preparation

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

The solubility of the alkaline earth's metal sulphates in water decreases in the sequence:

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

An alkaline earth metal '

M

' readily forms water soluble sulphate and water insoluble hydroxide. Its oxide

MO

is very stable to heat and does not have rock-salt structure.

M

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

The correct order of the solubility of alkaline-earth metal sulphates in water is:

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

Which of the following property of alkaline earth metal increases with their atomic number?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

The suspension of slaked lime in water is known as

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

Portland cement does not contain -

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

Among the sulphates of alkaline earth metals, the solubilities of

{BeSO}_{4}

and

{MgSO}_{4}

in water, respectively, are :

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

The correct order of thermal stability of hydroxides is

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

What is the role of gypsum,

{CaSO}_{4} . 2 H_{2} O

in setting of cement? Identify the correct option from the following:

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

When gypsum is heated to

393 K,

it forms:

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

Sodium sulphate is soluble in water but barium sulphate is insoluble because

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

Which of the following metal hydroxides is amphoteric?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

Which of the reactions represents "slaking of lime"?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

What is the commercial name for calcium oxide?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

The thermal stability of alkaline earth metal carbonates

- M g C O_{3}, C a C O_{3}, S r C O_{3}

and

B a C O_{3}

, follows the order

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Important Compounds of Alkaline Earth Metal Elements

On heating which of the following releases

C O_{2}

most easily?

Dehydration of hydrates of halides of calcium, barium and strontium i.e., CaCl2.6H2O, BaCl2.2H2O, SrCl2.6H2O can be achieved by heating. Which of the following statement is incorrect about these halides?

Important Questions on The s-Block Elements

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Dehydration of hydrates of halides of calcium, barium and strontium i.e., ${CaCl}_{2} . 6 H_{2} O$ , ${BaCl}_{2} . 2 H_{2} O$ , ${SrCl}_{2} . 6 H_{2} O$ can be achieved by heating. Which of the following statement is incorrect about these halides?