Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

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Consider the following reactions

(I) Heating of sulphur with $NaOH$
(II) Treating aqueous solutions of sulphites with ${Na}_{2} S$ and $I_{2}$
(III) Reaction of sulphur with sulphite ion
(IV) Reaction of thiosulphate with iodine

Which of the following reaction lead to the formation of disulphite ion $(S_{2} {O_{3}}^{2 -}) ?$

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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>Chemical Properties of Group 16 Elements

The shape of

{SCl}_{4}

is best described as a

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

Which one of the following is used to remove most of plutonium from spent nuclear fuel?

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

Nitrogen dioxide and sulphur dioxide have some properties in common. Which property is shown by one of these compounds, but not by the other?

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

Which one of the following is an oxide?

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

Arrange

H_{2} O, H_{2} S

and

H_{2} Se

in order of increasing acidity.

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

When

S O_{2}

gas is passed through aqueous

N a_{2} C O_{3}

, the product(s) formed is(are):

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

Which of the following is wrong statement?

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

The element that combines with oxygen to give an amphoteric oxide is-

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

The product obtained from the electrolytic oxidation of acidified sulphate solutions, is :

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

What is the main product formed when iodine reacts with hypo ?

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

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>Chemical Properties of Group 16 Elements

Acidity of diprotic acids in aqueous solutions increases in the order:

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

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>Chemical Properties of Group 16 Elements

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

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

In which pair of ions do both the species contain

S - S

bond?

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

The catalyst used in the Contact Process is

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

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

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?

MEDIUM

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

Which of the following statements are correct for hydrides of

16^{th}

group elements?
I) Boiling point is highest for water and lowest for hydrogen sulphide
II) Bond dissociation enthalpy is highest for water and lowest for hydrogen sulphide
III Reducing property increases from

H_{2} S

to

H_{2} Te

IV)

Δ_{f} H

(Enthalpy of formation) is more negative for

H_{2} O

and more positive for

H_{2} Te

EASY

Chemistry>Inorganic Chemistry>Elements of Groups 16, 17 and 18>Chemical Properties of Group 16 Elements

Which is the correct thermal stability order for

H_{2} E (E = O, S, S e, T e a n d P o) ?