EASY

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Sulphur is insoluble in but dissolves readily in carbon disulphide and turpentine oil.

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Important Questions on The p-Block Elements

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Molecular formula of oxygen is

O_{2}

while sulphur is

S_{8}

why?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

A mixture of

3 g

of sulphur and

12.7 g

of copper was placed in a quartz tube. The tube was sealed under vacuum and then heated to the melting. The cooled tube contains

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Which state of sulphur exhibits paramagnetism and why?

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Give reason for the following statement :

Sulphur in vapour state shows paramagnetic behaviour.

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Name the allotrope of sulphur that is stable at room temperature.

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Match the following

Column - 1

Type of sulphur

Column - 2

Property

(A)

α

- Sulphur
(B)

S_{2}

(C)

β

- Sulphur

(I) soluble in

{CS}_{2}

(II) soluble in

H_{2} O

(III) Puckered ring
(IV) Paramagnetic
(V) Chair form

The correct match is:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Explain the following property of group 16 elements:

Allotropy

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Identify the incorrect statement :

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Explain the Frasch process for the extraction of sulphur with the help of a labelled diagram.

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

The products

P

and

Q

of the following reaction, respectively, are

a S_{8} (s) + bNaOH (aq) ⟶ P (aq) + qQ (aq) + {rH}_{2} O

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Among the following allotropic forms of sulphur, the number of allotropic forms, which will show paramagnetism is _______.
(A)

α

-sulphur
(B)

β

-sulphur
(C)

S_{2}

-form

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Given below are two statements:

Statement I : $α$ and $β$ forms of sulphur can change reversibly between themselves with slow heating or slow cooling.

Statement II : At room temperature the stable crystalline form of sulphur is monoclinic sulphur.

In the light of the above statements, choose the correct answer from the options given below:

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Describe the Frasch process for mining sulphur.

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Identify the mismatch.

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Rhombic sulphur is also known as _____.

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

What happens, when ${SO}_{2}$ is passed through an aqueous solution of $Fe (III)$ salts?

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Which of following is a method for preparation of Engel's sulphur?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Find the oxidation state, covalency and total number of lone pairs, respectively, on sulphur in

S_{8}

molecule.

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Which is the most stable allotrope of sulphur?

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Allotropes of Sulphur

Monoclinic sulphur has_____crystals.

Sulphur is insoluble in but dissolves readily in carbon disulphide and turpentine oil.

Important Questions on The p-Block Elements

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