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Electronic configuration

b An element ...

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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.

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Solution

The element is sulphur. It is located in the 3^rd period and group 16 of the modern periodic table. The electronic configuration of sulphur is 1s²2s²2p⁶3s²3p⁴.

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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

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(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.

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?

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