Aldol condensation will not take place in - Vidyadip

MCQ

Aldol condensation will not take place in

✓
$HCHO$
B
$C{H_3}C{H_2}CHO$
C
$C{H_3}CHO$
D
$C{H_3}COC{H_3}$

✓

Answer

Correct option: A.

$HCHO$

a
(a) In $HCHO$ because $\alpha$-Hydrogen atom is absent.

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

Which of the following has been arranged in order of increasing oxidation number of nitrogen ?

Which among the following is the strongest $o, p-$directing group

The $IUPAC$ name of the compound $C{H_3} - CH({C_2}{H_5}) - CH = CH - C{H_3}$ is

Acetyl chloride cannot be obtained by treating acetic acid with

Assertion : Cyclopentadienyl anion is much more stable than allyl anion.

Reason : Cyclopentadienyl anion is aromatic in character.

Which of the following pairs shows highest bond dissociation enthalpy among halogens and lowest bond dissociation enthalpy among] hydrogen halides?

Bond distance in $HF$ is $9.17\times10^{-11}\, m$. Dipole moment of $HF$ is $6.104\times10^{- 30}\, Cm$. The percentage ionic character in $HF$ will be : .............. $\%$

( electron charge $= 1.60\times10^{-19}\, C$)

Coupling of benzene diazonium chloride with $1 -$ naphthol in alkaline medium will give

An aqueous solution of $6.3$ $g$ of oxalic acid dihydrate is made up of to $250\,\, ml$. The volume of $0.1$ $N\,NaOH$ required to completely neutralise $10\,\, ml$ of this solution is ............. $\mathrm{ml}$

Mixture of $PhCHO$ and $HCHO$ is treated with $NaOH$, then cannizzaro reaction involve

$(A)$ Reduction of $HCHO$
$(B)$ Oxidation of $HCHO$
$(C)$ Reduction of $PhCHO$
$(D)$ Oxidation of $Ph-CHO$