Download App

8.1. Aldehydes and ketones — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry8.1. Aldehydes and ketones1 Mark
MCQ
Fehling solution is
  • A
    $CuS{O_4}$+ lime
  • B
    $CuS{O_4} + NaOH(aq)$
  • C
    $CuS{O_4} + N{a_2}C{O_3}$
  • ✓
    None of these
✓

Answer

Correct option: D.
None of these
d
(d) Fehling's solution is the solution of $CuS{O_4} + NaOH$ + Roschel salt (Sodium potassium tartarate). Aldehyde give red precipitate with Fehling's solution.

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 8.1. Aldehydes and ketones→8.1. Aldehydes and ketones — all question types→Chemistry STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Among the following rules, the one which is applied in the given reaction is $CH _{3} CHBrCH _{2} CH _{3} \stackrel{ Alc.KOH }{\longrightarrow}$

$I.$ $C H_{3} C H=C H C H_{3}$ (major product)

$II.$ $C H_{2}=C H C H_{2} C H_{3}$ (minor product)

→
If current $(I)$ of an electrolytic cell is doubled and time $(t)$ for electrolysis is halved  then $\frac{mass}{eq.wt.}$ ratio becomes :-
→
The metal ion (in gaseous state) with lowest spinonly magnetic moment value is .... .
→
The primary and secondary valency of $Co$ in the octahedral complex $\ce{CoCl_3​.5NH_3}$​ are $......$
→
The rate of the reaction becomes twice when the concentration of reactant becomes $8$ times then the order of the reaction is
→
Which of the following is not a classification of amines?
→
The total number of possible isomers of the compound $[C{u^{} }{(N{H_3})_4}][P{t^{}} C{l_4}]$ are :
→
The oxidation number of iron in potassium ferrocyanide is
→
Impurities found in ores are called:
→
$SbF_5$ reacts with $XeF_4$ to form an adduct. The shapes of cation and anion in the adduct are respectively:
→