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ICSE Class 10 Chemistry 2023 Solved Paper

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Question : 31
Total: 88
Give the structural formula of the following organic compounds:
1. 2-chlorobutane
2. Methanal
3. But-2-yne
Solution:  
(1) H−
H
|
C
|
H
−
H
|
C
|
H
−
H
|
C
|
H
−CH3
2-chlorobutane
(CH3CH2‌CHCl‌CH3)
(2) H−
C
|
H
=O
(HCHO)
Methanal
(3) H−
H
|
C
|
H
−C≡C−
H
|
C
|
H
−H
But-2-yne
(CH3−C≡C−CH3)
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