Download App

8.2 Carboxylic acids and their derivative — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry8.2 Carboxylic acids and their derivative1 Mark
MCQ
Formaldehyde and formic acid can be distinguished using
  • A
    Tollen's reagent
  • B
    Fehling solution
  • C
    Ferric chloride
  • ✓
    Sodium bicarbonate
✓

Answer

Correct option: D.
Sodium bicarbonate
d
(d)$HCOOH + NaHC{O_3} \to HCOONa + {H_2}O + C{O_2}$
$HCHO + NaHC{O_3} \to {\rm{No}}\,\,{\rm{reaction}}$

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

More "M.C.Q (1 Marks)" from 8.2 Carboxylic acids and their derivative→8.2 Carboxylic acids and their derivative — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

The false statement about iron $(III)$ hydroxide is that
→
A solutivn is prepared by mixing $8.5\,g$ of $CH_2Cl_2$ and $11.95\,g$ of $CHCl_3$ . If vapour pressure of $CH_2Cl_2$ and $CHCl_3$ at $298\,K$ are $415$ and $200\, mm\,Hg$ respectively, the mole fraction of $CHCl_3$ in vapour form is : (Molar mass of $Cl\, = 35.5\, g\, mol^{-1}$ )
→
Which of the following orders is correct regarding the basic strength of subsituted aniline ?
→
Amino acids are the building blocks of
→
The IUPAC name of $\left[ {Ni{{(CO)}_4}} \right]$ is
→
Which will have minimum osmotic pressure ?
→
Which of the following is the correct sequence of the noble gases in their group in the periodic table
→
The properties of a compound are:
→
Consider the following reaction :

Ethanol $\xrightarrow{{PB{r_3}}}X\,\xrightarrow{{alc.\,KOH}}\,Y$$\,\xrightarrow[{(ii)\,{H_2}O\,,\,heat}]{{(i)\,{H_2}S{O_4},\,room\,\,temperature}}Z$

the product $Z$ is

→
Which of the following statements are correct about $\mathrm{Zn}, \mathrm{Cd}$ and $\mathrm{Hg}$ ?

$A$. They exhibit high enthalpy of atomization as the d-subshell is full.

$B$. $\mathrm{Zn}$ and $\mathrm{Cd}$ do not show variable oxidation state while $\mathrm{Hg}$ shows $+\mathrm{I}$ and + $II.$

$C$. Compounds of $\mathrm{Zn}, \mathrm{Cd}$ and $\mathrm{Hg}$ are paramagnetic in nature.

$D$. $\mathrm{Zn}, \mathrm{Cd}$ and $\mathrm{Hg}$ are called soft metals.

Choose the most appropriate from the options given below:

→