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 )

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What happens when $KI$ reacts with concentrated $H_{2} {SO}_{4}$ ? (Write chemical equation only)

Important Questions on Elements of Groups 16, 17 and 18

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

Oxidation state of

S

H_{2} S_{2} O_{8}

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

Which of the following oxoacid of sulphur has

- O - O -

linkage?

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

Which of the following statements is correct?

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

What is the precursor which is diluted to make

H_{2} {SO}_{4} ?

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

In which pair of ions do both the species contain

S - S

bond?

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

Hot concentrated sulphuric acid on reaction with which one of the following elements, produces two gaseous products?

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

The structure of Marshall's acid among the following is:

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

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

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

The oxoacid of sulphur that does not contain bond between sulphur atom is:

HARD

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

The number of bonds between sulphur and oxygen atoms in

S_{2} O_{8}^{2 -}

and the number of bonds between sulphur and sulphur atoms in rhombic sulphur, respectively are:

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

The molecular formula of dithionic acid is

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

The correct sequence of decreasing number of

π

-bonds in the structure of

H_{2} S O_{3}, H_{2} S O_{4}

and

H_{2} S_{2} O_{7}

is:

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

On treating a compound with warm dil.

H_{2} {SO}_{4}

, gas

X

is evolved which turns

K_{2} {Cr}_{2} O_{7}

paper acidified with dil.

H_{2} {SO}_{4}

to a green compound

Y

X

and

Y

respectively are :

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

Which of the following oxyacid of sulphur contains

S = S

linkage?

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

Peroxy monosulphuric acid is also known as

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

The number of

S = O

bonds present in sulphurous acid, peroxodisulphuric acid and pyrosulphuric acid, respectively are :

HARD

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

Write the conditions to maximise the yield of

H_{2} {SO}_{4}

by contact process.

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

The catalyst used in the Contact Process is

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

The number of

S = O

and

S - OH

bonds present in peroxodisulphuric acid and pyrosulphuric acid respectively are:

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Oxoacids of Sulphur

In preparation of sulphuric acid from Sulphur dioxide in lead chamber process. What substance is used as a catalyst?

What happens when KI reacts with concentrated H2SO4? (Write chemical equation only)

Important Questions on Elements of Groups 16, 17 and 18

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What happens when $KI$ reacts with concentrated $H_{2} {SO}_{4}$ ? (Write chemical equation only)