MCQ
The functional group present in propanal is :
- A$\ce{−OH}$
- B$\ce{−COOH}$
- C$\ce{−CO−}$
- ✓$\ce{−CHO}$
✓
Answer
Correct option: D.
$\ce{−CHO}$
The functional group present in propanal $\left(\mathrm{C}_2 \mathrm{H}_5 \mathrm{CHO}\right)$ is $\ce{-CHO}\ ($aldehydes group$).$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Fertilisation results immediately in the formation of:
Asexual reproduction through budding takes place in :
- Amoeba and Yeast.
- Yeast and Hydra.
- Hydra and Plasmodium.
- Corals and Sponges.
The modern periodic table has been divided into :
A current-carrying conductor is held in exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should passed in the conductor:
Which of the following statement is incorrect with respect to variations?
A metal is heated with dil $H _2 SO _4$. The gas evolved is collected by the method shown in the figure. Answer the following questions based on it:
The gas _______ than air and it is ________ in water.
→The gas _______ than air and it is ________ in water.
One of the following traits of the parents cannot be passed on to their future generations. This trait is:
A substance added to food containing fats and oils is called :
Which of the following are exothermic processes?
→- Reaction of water with quick lime.
- Dilution of an acid.
- Evaporation of water.
- Sublimation of camphor $($crystals$).$
Which of the following can make a parallel beam of light from a bulb falls on it?