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Question 49 a...

Question

Question 49 (a)
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.

(a) Identify the element X

A

sulphur

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B

Oxygen

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C

Carbon

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D

Boron

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Solution

The correct option is A
sulphur

Element X is sulphur and it is denoted as S. Its atomic number is 16.

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Q. Question 49 (c)
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants

Write the balanced chemical equation for the thermal decomposition of ferrous sulphate crystals.

X

which is a yellow solid at room temperature shows catenation and allotropy.

X

forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.

The nature of oxides formed is :

Q. Question 49 (b)
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.

Write the electronic configuration of X.

Q. Question 49(d)
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.

What would be the nature (acidic/ basic) of oxides formed?

Q. Question 49(e)
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.

Locate the position of the element in the Modern Periodic Table.

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