Match List-I with Match List-II List-I (Metal) List-II (Application) (A) Cs (I) High temperature thermometer (B) Ga (II) Water repellent sprays (C) B (III) Photoelectric cells (D) Si (V) Bullet proof vest Choose the most appropriate answer from the options given below

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

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

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

A - I , B - IV , C - II , D - II

Match List - I with List - II List-II List-II A N 2 g + 3 H 2 g → 2 NH 3 g I Cu B CO g + 3 H 2 g → CH 4 g + H 2 O g II Cu / ZnO - Cr 2 O 3 C CO g + H 2 g → HCHO g III Fe x O y + K 2 O + Al 2 O 3 D CO g + 2 H 2 g → CH 3 OH g IV Ni Choose the correct answer from the options given below

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

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

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

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

The correct order of bond enthalpy ( kJ mol – 1 ) is:

C - C > Si - Si > Ge - Ge > Sn - Sn

Si - Si > C - C > Sn - Sn > Ge - Ge

Si - Si > C - C > Ge - Ge > Sn - Sn

C - C > Si - Si > Sn - Sn > Ge - Ge

Given below are two statements: Statement I: Chlorine can easily combine with oxygen to from oxides: and the product has a tendency to explode. Statement II: Chemical reactivity of an element can be determined by its reaction with oxygen and halogens. In the light of the above statements, choose the correct answer from the options given below

Both the statements I and II are true

Statement I is true but Statement II is false

Statement I is false but Statement II is true

Both the Statements I and II are false

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Amongst He , Ne , Ar and Kr ; 1 g of activated charcoal adsorbs more of Kr . Reason R: The critical volume V c ( cm 3 mol – 1 ) and critical pressure P c (atm) is highest for Krypton but the compressibility factor at critical point Z c is lowest for Krypton. In the light of the above statements, choose the correct answer from the options given below.

Both A and R are true but R is NOT the correct explanation of A

Both A and R are true and R is the correct explanation A

Given below are two statements : Statement I : Upon heating a borax bead dipped in cupric sulphate in a luminous flame, the colour of the bead becomes green. Statement II : The green colour observed is due to the formation of copper(I) metaborate In the light of the above statements, choose the most appropriate answer from the options given below:

Both Statement I and Statement II are false

Both Statement I and Statement II are true

Statement I is false but Statement II is true

Statement I is true but Statement II is false

Boric acid in solid, whereas BF 3 is gas at room temperature because of

Strong hydrogen bond in Boric acid

Strong ionic bond in Boric acid

Strong van der Waal's interaction in Boric acid

HARD

JEE Main

IMPORTANT

Earn 100

Among the given oxides of nitrogen ; $N_{2} O, N_{2} O_{3}, N_{2} O_{4}$ and $N_{2} O_{5}$ , the number of compound/(s) having $N - N$ bond is

66.67% studentsanswered this correctly

Important Questions on The p-Block Elements

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 29 June 2022 Shift 1>Q 123

Match List-I with Match List-II

	List-I (Metal)		List-II (Application)
(A)	$Cs$	(I)	High temperature thermometer
(B)	$Ga$	(II)	Water repellent sprays
(C)	$B$	(III)	Photoelectric cells
(D)	$Si$	(V)	Bullet proof vest

Choose the most appropriate answer from the options given below

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 29 June 2022 Shift 1>Q 124

The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two

P - H

bonds, is

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 29 June 2022 Shift 2>Q 125

Aqueous solution of which of the following boron compounds will be strongly basic in nature?

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 25 July 2022 Shift 1>Q 126

Match List - I with List - II

	List-II		List-II
A	$N_{2} (g) + 3 H_{2} (g) \to 2 {NH}_{3} (g)$	I	$Cu$
B	$CO (g) + 3 H_{2} (g) \to {CH}_{4} (g) + H_{2} O (g)$	II	$Cu / ZnO - {Cr}_{2} O_{3}$
C	$CO (g) + H_{2} (g) \to HCHO (g)$	III	${Fe}_{x} O_{y} + K_{2} O + {Al}_{2} O_{3}$
D	$CO (g) + 2 H_{2} (g) \to {CH}_{3} OH (g)$	IV	$Ni$

Choose the correct answer from the options given below

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 25 July 2022 Shift 1>Q 127

The geometry around boron in the product ' $B$ ' formed from the following reaction is

${BF}_{3} + NaH \overset{450 K}{⟶} A + NaF$

$A + {NMe}_{3} \to B$

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 25 July 2022 Shift 1>Q 128

The interhalogen compound formed from the reaction of bromine with excess of fluorine is a

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 26 July 2022 Shift 1>Q 129

Borazine, also known as inorganic benzene, can be prepared by the reaction of

3

-equivalents of "

X

" with

6

-equivalents of "

Y

". "

X

" and "

Y

", respectively are

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 26 July 2022 Shift 2>Q 130

The metal that has very low melting point and its periodic position is closer to a metalloid is

Among the given oxides of nitrogen ; N2O,N2O3,N2O4 and N2O5, the number of compound/(s) having N-N bond is

Important Questions on The p-Block Elements

Learn and Prepare for any exam you want !

Among the given oxides of nitrogen ; $N_{2} O, N_{2} O_{3}, N_{2} O_{4}$ and $N_{2} O_{5}$ , the number of compound/(s) having $N - N$ bond is