Match List-I with List-II List-I(Oxo acids of Sulphur) List-II(Bonds) A Peroxodisulphuric acid I Two S-OH, Four S=O, One S-O-S B Sulphuric acid II Two S-OH, One S=O C Pyrosulphuric acid III Two S-OH, Four S=O, One S-O-O-S D Sulphurous acid IV Two S-OH, Two S=O

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

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

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

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

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In which of the following oxoacid of Sulphur, $S - O - O - S$ bond is present?

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Important Questions on Elements of Groups 16, 17 and 18

EASY

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

Peroxy monosulphuric acid is also known as

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

The molecular formula of dithionic acid is

EASY

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

Match List $- I$ with List $- II$ and select the correct answer using the codes given below

List $- I$ (Oxyacid of sulphur)	List $- II$ (oxidation state of sulphur )
$A .$ $H_{2} {SO}_{3}$	$1 . + 1$
$B . H_{2} S_{2} O_{6}$	$2 . + 6$
$C . H_{2} S_{2} O_{2}$	$3 . + 4$
$D . H_{2} S_{2} O_{8}$	$4 . + 5$

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:

MEDIUM

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

In polythionic acid,

H_{2} S_{x} O_{6} (x = 3

5

) the oxidation state(s) of sulphur is/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

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

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

Which of the following oxoacid of sulphur has

- O - O -

linkage?

EASY

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

What is the molecular formula of Marshall's acid?

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

The acid which has peroxy linkage is

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

Match List-I with List-II

List-I(Oxo acids of Sulphur)		List-II(Bonds)
A	Peroxodisulphuric acid	$I$	Two S-OH, Four S=O, One S-O-S
B	Sulphuric acid	$II$	Two S-OH, One S=O
C	Pyrosulphuric acid	$III$	Two S-OH, Four S=O, One S-O-O-S
D	Sulphurous acid	$IV$	Two S-OH, Two S=O