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 · 2 H 2 O , can be achieved by heating. These become wet on keeping in air. Which of the following statements is correct about these halides?

Tendency to form hydrate decreases from calcium to barium

E M B I B E

NCERT Exemplar Chemistry - Class 11>Chapter 10 - The s-Block Elements>Multiple Choice Questions (Type-I)>Q 15

EASY

11th CBSE

IMPORTANT

Earn 100

Suspension of slaked lime in water is known as

50% studentsanswered this correctly

Important Questions on The s-Block Elements

MEDIUM

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 10 - The s-Block Elements>Multiple Choice Questions (Type-I)>Q 16

Which of the following elements does not form hydride by direct heating with dihydrogen?

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 10 - The s-Block Elements>Multiple Choice Questions (Type-I)>Q 17

The formula of soda ash is

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11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 10 - The s-Block Elements>Multiple Choice Questions (Type-I)>Q 18

A substance which gives brick-red flame and breaks down on heating to give oxygen and a brown gas is

HARD

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 10 - The s-Block Elements>Multiple Choice Questions (Type-I)>Q 19

Which of the following statements is true about

Ca {(OH)}_{2}

?

HARD

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 10 - The s-Block Elements>Multiple Choice Questions (Type-I)>Q 20

A chemical

A

is used for the preparation of washing soda to recover ammonia. When

{CO}_{2}

is bubbled through an aqueous solution of

A

, the solution turns milky. It is used in white washing due to its disinfectant nature. What is the chemical formula of

A

?

HARD

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 10 - The s-Block Elements>Multiple Choice Questions (Type-I)>Q 21

Dehydration of hydrates of halides of calcium, barium, and strontium i.e.,

{CaCl}_{2} \cdot 6 H_{2} O, {BaCl}_{2} \cdot 2 H_{2} O, {SrCl}_{2} \cdot 2 H_{2} O,

can be achieved by heating. These become wet on keeping in air. Which of the following statements is correct about these halides?

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 10 - The s-Block Elements>Multiple Choice Questions (Type-II)>Q 22

Metallic elements are described by their standard electrode potential, fusion enthalpy, atomic size, etc. The alkali metals are characterised by which of the following properties?

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11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 10 - The s-Block Elements>Multiple Choice Questions (Type-II)>Q 23

Several sodium compounds find use in industries. Which of the following compounds are used for textile industry?

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