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
(b) Write the electronic configuration of X
(c) Write the balanced chemical equation for the thermal decomposition of ferrous sulphate crystals ?
(d) What would be the nature (acidic/basic) of oxides formed ?
(e) Locate the position of the element in the modern periodic table.

Explanation

Let's break down the solution step by step:

### Step 1: Identify the Element X
Given that the element X is a yellow solid at room temperature and shows catenation and allotropy, we can analyze the properties. The element that fits this description is **Sulfur (S)**.

**Reasoning**:
- Sulfur is a yellow solid at room temperature.
- It exhibits catenation (the ability to form chains) and allotropy (existence in different structural forms).
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