Download App

Aldehydes, Ketones and Carboxylic Acids — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryAldehydes, Ketones and Carboxylic Acids1 Mark
MCQ
Identify compound $A$ in the following reaction -
$R - Mg - X + A \stackrel{\text { dry ether }}{\longrightarrow} R - COOMgX \underset{\text { dil HCl }}{\stackrel{ HOH }{\longrightarrow}} R - COOH + Mg ( X ) OH$
  • A
    $K _2 Cr _2 O _7$
  • B
    $NH _3$
  • ✓
    $CO _2$ (Solid)
  • D
    $NaOH$
✓

Answer

Correct option: C.
$CO _2$ (Solid)
C

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 "MCQ" from Aldehydes, Ketones and Carboxylic Acids→Aldehydes, Ketones and Carboxylic Acids — all question types→Chemistry STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

Benzaldehyde does $\text{NOT}$ show positive test with
→
How many moles of electrons are required for the reduction of $3$ moles of $Zn ^{2+}$ to $Zn ( s )$ ?
→
The number of carbon atoms present in the ring of ε – caprolactam is
→
What is the product formed when aniline is treated with $NaNO _2+ HCl$ previous to hydrolysis?
→
Major product of the following reaction is
$CH _3- CH _2- Mg - Br + NH _3 \longrightarrow \text { ? }$
→
The general electronic configuration of Lanthanoids is
→
Identify ' $X$ ' in the following reaction:
$CH _3- CHO + X \rightarrow CH _3- CH = N - NH - C _6 H _5+ H _2 O$
→
Which among the following compounds is an amide?
→
Identify monodentate ligand from following.
→
What is the value of conductivity of $0.01 M$ solution of an electrolyte having molar conductivity $141 \Omega ^{-1} cm ^2 mol ^{-1}$ ?
→