Match List-I with List-II : List-I List-II Industrial process Application (a) Haber's process (i) HNO 3 synthesis (b) Ostwald's process (ii) Aluminium extraction (c) Contact process (iii) NH 3 synthesis (d) Hall-Heroult process (iv) H 2 SO 4 synthesis Choose the correct answer from the options given below:

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

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

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

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

Match List-I with List-II List-I List-II Name of oxo acid Oxidation state of ' P (a) Hypophosphorous acid (i) + 5 (b) Orthophosphoric acid (ii) + 4 (c) Hypophosphoric acid (iii) + 3 (d) Orthophosphorous acid (iv) + 2 (v) + 1 Choose the correct answer from the options given below :

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

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

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

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

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

EASY

JEE Main

IMPORTANT

Earn 100

The correct order of bond enthalpy ( $kJ {mol}^{- 1}$ ) is:

78.95% studentsanswered this correctly

Important Questions on The p-Block Elements

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main 18 March 2021 Shift 2>Q 1

A xenon compound

A

upon partial hydrolysis gives

{XeO}_{2} F_{2}

. The number of lone pair of electrons present in compound

A

is ___ (Round off to the Nearest integer)

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main 18 March 2021 Shift 1>Q 2

The number of ionisable hydrogens present in the product obtained from a reaction of phosphorus trichloride and phosphonic acid is:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main 16 March 2021 Shift 2>Q 3

{Fex}_{2}

and

{Fey}_{3}

are known when

x

and

y

are :

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main 16 March 2021 Shift 2>Q 4

The INCORRECT statement regarding the structure of

C_{60}

is :

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main 16 March 2021 Shift 1>Q 5

Match List-I with List-II :

	List-I		List-II
	Industrial process		Application
(a)	Haber's process	(i)	${HNO}_{3}$ synthesis
(b)	Ostwald's process	(ii)	Aluminium extraction
(c)	Contact process	(iii)	${NH}_{3}$ synthesis
(d)	Hall-Heroult process	(iv)	$H_{2} {SO}_{4}$ synthesis

Choose the correct 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 16 March 2021 Shift 1>Q 6

Match List-I with List-II

	List-I		List-II
	Name of oxo acid		Oxidation state of ' $P$
(a)	Hypophosphorous acid	(i)	$+ 5$
(b)	Orthophosphoric acid	(ii)	$+ 4$
(c)	Hypophosphoric acid	(iii)	$+ 3$
(d)	Orthophosphorous acid	(iv)	$+ 2$
		(v)	$+ 1$

Choose the correct answer from the options given below :

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main 16 March 2021 Shift 1>Q 7

A group

15

element, which is a metal and forms a hydride with strongest reducing power among group

15

hydrides. The element is :

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 9th January 2020 Shift 2>Q 8

The reaction of

H_{3} N_{3} B_{3} C l_{3} (A)

with

L i B H_{4}

in tetrahydrofuran gives inorganic benzene

(B)

. Further, the reaction of

(A)

with

(C)

leads to

H_{3} N_{3} B_{3} {(M e)}_{3}

. Compounds

(B)

and

(C)

respectively, are:

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

Important Questions on The p-Block Elements

Learn and Prepare for any exam you want !

The correct order of bond enthalpy ( $kJ {mol}^{- 1}$ ) is: