Formalin is

  • Option 1)

    Formaldehyde

  • Option 2)

    Formaldehyde +nethanol

  • Option 3)

    formaldehyde +methanol+water

  • Option 4)

    Formaldehyde+water

 

Answers (1)
V Vakul

As we learnt in

Methanol (wood spirit) -

Highly poisonous, used in paints, varnishes & for making formaldehyde. 

- wherein

CO+2H_{2}(ZnO-Cr_{2}O_{3})\rightarrow CH_{2}OH

 

Formation is 37% aqueous solution of formaldeyde with 10-15% methanol. Methanol or wood spirit is highly poisonous and is added in formation to slow down the polymerisation of formaldehyde.


Option 1)

Formaldehyde

This solution is incorrect

Option 2)

Formaldehyde +nethanol

This solution is incorrect

Option 3)

formaldehyde +methanol+water

This solution is correct

Option 4)

Formaldehyde+water

This solution is incorrect

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