Which of the following correctly describes meta-formaldehyde?
A
It is a dimer of HCHO.
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B
It is a trimer of formaldehyde.
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C
It is a tetramer of formaldehyde.
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D
It is a polymer in which number of HCHO unit is more than 100.
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Solution
The correct option is DIt is a trimer of formaldehyde. Metaformaldehyde is trimer of formaldehyde. It is also called 1, 3, 5-trioxane, trioxane or trioxin.