List of top Chemistry Questions asked in AIIMS

Which of the following is a globular protein?


What is the major product of the reaction?

Which of the following is a crystalline solid?
1028 grams of seawater sample contains 7 mL of dissolved oxygen ($ \text{O}_2 $). What is the concentration of oxygen in parts per million (ppm)?
Which non-metallic solid is known for its electrical conductivity?


What is the major product formed when phenol is treated with sodium dichromate (\( \text{Na}_2\text{Cr}_2\text{O}_7 \)) and sulfuric acid (\( \text{H}_2\text{SO}_4 \))?

Arrange the following compounds in increasing order of their boiling points:
  • \(\mathrm{C_2H_5OH}\) (Ethanol)
  • \(\mathrm{CH_3CHO}\) (Acetaldehyde)
  • \(\mathrm{CH_3CH_2CH_3}\) (Propane)
  • \(\mathrm{CH_3OCH_3}\) (Dimethyl ether)
Which of the following is adsorbent?
Explain why ortho-nitrophenol is more steam volatile than para-nitrophenol.


What is the correct IUPAC name for the following compound?

Movement of colloidal particle after developing charge
Which is not a homopolymer?
Select the mismatch:
When a smaller ion (usually a cation) is dislocated from its normal site in a crystal and moves to an interstitial site, it is known as:
The correct increasing order of energy of orbitals in a hydrogen atom is:
What is the dispersed phase and dispersion medium of the following colloidal systems?
The reaction of zinc with dilute and concentrated nitric acid, respectively, produces:
Calculate the magnetic moment of the element with atomic number $ Z = 28 $.
Product, P is: \[ \text{C}_6\text{H}_6 + \text{Cl}_2(\text{excess}) \xrightarrow{\text{Anhy.AlCl}_3}{\text{dark, cold}} \text{P} \]
Which acid is present in vinegar?
The number of ions formed on dissolving one mole of $ \text{K_3[\text{Fe}(\text{CN})_6] $ in water is:}
Which of the following is a thermoplastic polymer?

Which compound is formed as the final product $ B $?

The element Neodymium (Nd) belongs to the 4f series. What is its atomic number?
Which of the following salts is coloured salt before heating?