Match List- I with List- II List- I List- II (a) Sodium Carbonate (i) Deacon (b) Titanium (ii) Castner-Kellner (c) Chlorine (iii) van-Arkel (d) Sodium hydroxide (iv) Solvay Choose the correct answer from the options given below:

a → iv , b → iii , c → i , d → ii

a → i , b → iii , c → iv , d → ii

a → iii , b → ii , c → i , d → iv

a → iv , b → i , c → ii , d → iii

Find A , B and C in the following reactions: NH 3 + A + CO 2 → NH 4 2 CO 3 NH 4 2 CO 3 + H 2 O + B → NH 4 HCO 3 NH 4 HCO 3 + NaCl → NH 4 Cl + C

A - H 2 O ; B - CO 2 ; C - NaHCO 3

A - H 2 O ; B - O 2 ; C - Na 2 CO 3

A - H 2 O ; B - O 2 ; C - NaHCO 3

A - O 2 ; B - CO 2 ; C - Na 2 CO 3

Match List I with List II : List-I Elements List-II Properties (a) Li (i) Poor water solubility of I - salt (b) Na (ii) Most abundant element in cell fluid (c) K (iii) Bicarbonate salt used in fire extinguisher (d) Cs (iv) Carbonate salt decomposes easily on heating Choose the correct answer from the options given below:

( a ) - ( iv ) , ( b ) - ( iii ) , ( c ) - ( ii ) , ( d ) - ( i )

( a ) - ( i ) , ( b ) - ( iii ) , ( c ) - ( ii ) , ( d ) - ( iv )

( a ) - ( iv ) , ( b ) - ( ii ) , ( c ) - ( iii ) , ( d ) - ( i )

( a ) - ( i ) , ( b ) - ( ii ) , ( c ) - ( iii ) , ( d ) - ( iv )

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Gypsum is used for making fireproof wall boards. Reason (R): Gypsum is unstable at high temperatures. In the light of the above statements, choose the correct answer from the options given below:

Both (A) and (R) are correct but (R) is not the correct explanation of (A).

(A) is correct but (R) is not correct.

(A) is not correct but (R) is correct.

Both (A) and (R) are correct and (R) is the correct explanation of (A).

Match List I with List II (A) Slaked lime (I) NaOH (B) Dead burnt plaster (II) Ca ( OH ) 2 (C) Caustic soda (III) Na 2 CO 3 · 10 H 2 O (D) Washing soda (IV) CaSO 4 Choose the correct answer form the options given below:

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

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

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

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

Which of the following reaction is correct?

4 LiNO 3 ⟶ Δ 2 Li 2 O + 4 NO 2 + O 2

4 LiNO 3 ⟶ Δ 2 Li 2 O + 2 N 2 O 4 + O 2

2 LiNO 3 ⟶ Δ 2 Li + 2 NO 2 + O 2

EASY

JEE Main

IMPORTANT

Earn 100

The number of water molecules in gypsum, dead burnt plaster and plaster of Paris, respectively are:

50% studentsanswered this correctly

Important Questions on The s-Block Elements

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - The s-Block Elements>JEE Main - 26 Feb 2021 Shift 2>Q 31

Match List- $I$ with List- $II$

List- $I$		List- $II$
(a)	Sodium Carbonate	(i)	Deacon
(b)	Titanium	(ii)	Castner-Kellner
(c)	Chlorine	(iii)	van-Arkel
(d)	Sodium hydroxide	(iv)	Solvay

Choose the correct answer from the options given below:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - The s-Block Elements>JEE Main - 26 Feb 2021 Shift 1>Q 32

Find $A, B$ and $C$ in the following reactions:

${NH}_{3} + A + {CO}_{2} \to {({NH}_{4})}_{2} {CO}_{3}$

${({NH}_{4})}_{2} {CO}_{3} + H_{2} O + B \to {NH}_{4} {HCO}_{3}$

${NH}_{4} {HCO}_{3} + NaCl \to {NH}_{4} Cl + C$

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - The s-Block Elements>JEE Main - 26 August 2021 Shift 2>Q 33

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Barium carbonate is insoluble in water and is highly stable.
Reason (R): The thermal stability of the carbonates increases with increasing cationic size.
Choose the most appropriate answer from the options given below :

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - The s-Block Elements>JEE Main - 26 August 2021 Shift 1>Q 34

The conversion of hydroxyapatite occurs due to presence of

F^{-}

ions in water. The correct formula of hydroxyapatite is:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - The s-Block Elements>JEE Main - 26 August 2021 Shift 1>Q 35

What are the products formed in sequence when excess of

{CO}_{2}

is passed in slaked lime?

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - The s-Block Elements>JEE Main - 25 July 2021 Shift 2>Q 36

Match List I with List II :

	List-I Elements		List-II Properties
(a)	$Li$	(i)	Poor water solubility of $I^{-}$ salt
(b)	$Na$	(ii)	Most abundant element in cell fluid
(c)	$K$	(iii)	Bicarbonate salt used in fire extinguisher
(d)	$Cs$	(iv)	Carbonate salt decomposes easily on heating

Choose the correct answer from the options given
below:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - The s-Block Elements>JEE Main - 25 July 2021 Shift 1>Q 37

Given below are two statements:

Statement I : None of the alkaline earth metal hydroxides dissolve in alkali.

Srtatement II : Solubility of alkaline earth metal hydroxides in water increases down the group.

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

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - The s-Block Elements>JEE Main - 25 Feb 2021 Shift 2>Q 38

Among the following, number of metal/s which can be used as electrodes in the photoelectric cell is ___ . (Integer answer)
(A)

Li

(B)

Na

(C)

Rb

(D)

Cs

The number of water molecules in gypsum, dead burnt plaster and plaster of Paris, respectively are:

Important Questions on The s-Block Elements

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