Write the structures of the following compounds
(i) 4-chloropentn-2-one
(ii) p-Nitropropiophenone
(iii) 3-Methylbutanal
(iv) 4-Methylpent-3-en-2--one
(v) p-Methoxy benzaldehyde
(vi) o,o'-Dichlorobenzophenone
(vii) Penta-1,4-dien-3-one
(viii) 2-Methyyl-4-oxohexanal
(ix) Cyclohex-2-en-1-one
( x) Pentan-2,4-dione

Explanation

To solve the question of writing the structures of the given compounds, we will go through each compound step by step.

### Step-by-Step Solution:

**(i) 4-Chloropentan-2-one**
1. Identify the base chain: Pentane (5 carbon atoms).
2. Draw the carbon chain: C-C-C-C-C.
3. Add the ketone group (C=O) at the 2nd carbon.
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