Reductions Involving Aldehydes or Ketones
Trending Questions
Q. Acetophenone on reduction with Zn/Hg in the presence of HCl gives
- Toluene
- Benzene
- Ethyl benzene
- Xylene
Q.
Which will give silver mirror test with Tollensreagent :
- HCOOH
All of these
- C6H5CHO
- CH3-CHO
Q.
The appropriate reagent for the following transformation:
- Zn(Hg), HCl
- NH2NH2, OH-
- H2/Ni
- NaBH4
Q. But-2-enal on reduction with hydro borane (9-BBN) gives
- But-1-ene
- Butane
- But-2-en-1-ol
- Butanal
Q. Acetone on reaction with Zn(Hg), HCl gives
- propane
- Acetaldehyde, CO2
- Acetic acid
- Ethyl alcohol
Q.
Acetaldehyde cannot give:
- Iodoform test
Tollens test
- Lucas test
- Benedict test
Q. Acetophenone is reduced by LiAlH4 to
- Toluene
- Ethyl benzene
- 1-Phenylethanol
- Phenol
Q. 
The above reaction and reagent are respectively -

The above reaction and reagent are respectively -
- Cannizaro reaction, NaOH
- Aldol condesnation, OH⊝
- Tischenko reaction, Al(OC2H5)3
- Perkin reaction (CH3CO)2O
Q.
1‑propanol & 2‑propanol can be best distinguished by:
- Oxidation with acedic dichromate followed by reaction with Fehling solution
- Oxidation with alkaline KMnO4 followed by reaction with Fehling solution
- Oxidation by heating with copper followed by reaction with Fehling solution
- Oxidation with concentrated H2SO4 followed by reaction with Fehling
Q. Acetaldehyde reacts with ethyl magnesium bromide to give a product which on hydrolysis gives
- Butan-1-ol
- 2-methylpropan-2-ol
- Butan-2-ol
- Pentan-1-ol