Download App

STD 12 -8.1. Aldehydes and ketones — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 -8.1. Aldehydes and ketones4 Marks
MCQ
Metaformaldehyde is:
  • A
    Dimmer of $HCHO$
  • ✓
    Trimer of formaldehyde
  • C
    Tetramer of formaldehyde
  • D
    Polymer in which number of $HCHO$ unit is more than $100$
✓

Answer

Correct option: B.
Trimer of formaldehyde
b
Metaformaldehyde is trimer of formaldehyde. It is also called $1,3,5$-trioxane, trioxane or trioxin.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The degree of dissociation of first order reaction is
→
Which of the following compound will behave as a reducing sugar in $aq.KOH$ solution ?
→
The electron pair which forms a bond between two similar non-metallic atoms will be
→
The angular momentum of an electron depends on:
→
Assign $A, B, C, D$ from given type of reaction. $Na\left( s \right) + {H_2}O\left( l \right)\xrightarrow{{R.T.}}NaOH + {H_2} \uparrow $
→
$HCl$ is a gas but $HF$ is a low boiling liquid. This is because
→
The electrolytes usually used in the electroplating of gold and silver, respectively, are
→
Possible number of orientations of a subshell is
→
When concentrated $HCl$ is added to an aqueous solution of $CoCl_2$, its colour changes from reddish pink to deep blue . Which complex ion gives blue colour in this reaction?
→
Which of the following presents the correct order of second ionization enthalpies of $C, N, O$ and $F$ ?
→