List -I List -2
A. Reactive form of Carbon 1. HF
B. Acid employed for 2. Diamond
etching of glass
C. Synthesis gas 3. Charcoal
D. Unreactive form of Carbon 4. $C O H_{2}$
The correct match with A B C D is ?

1 2 3 4

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2 4 3 1

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2 1 3 4

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3 1 4 2

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Solution

The correct option is D 3 1 4 2
Charcoal is a reactive form of carbon.
Glass is etched by $H F$ .
Water gas is also called synthesis gas.
Diamond is chemically inactive due to its presence of strong directional covalent C-C bonds.

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