List of top Chemistry Questions

What type of alcohol is the crotonyl alcohol?
Which of the following is obtained as major product when excess of methane is treated with limited chlorine in presence of UV light?
What is the name of monomer used in the formation of a polymer
Find principle of green chemistry to show protection of selective group is not advantageous.
Which from following complexes contains anionic ligand?
Which from following gases causes the depletion of ozone layer in upper atmosphere?
Calculate osmotic pressure of 0.1 M aqueous solution of an electrolyte at 300 K if van't Hoff factor is 1.125. [R = 0.0821 atmdm$^3$ K$^{-1}$ mol$^{-1}$]
Identify 'A' in the following reaction.
A + Acetyl chloride $\xrightarrow[AlCl_3]{anhydrous}$ 2-Chloroacetophenone + 4-Chloroacetophenone}
What is half life of a first order reaction if time required to decrease concentration of reactant from 0.4 M to 0.1 M is $x$ hour?
Identify a side chain (R) group present in Leucine, an amino acid.
Which of the following is NOT a characteristic of chemisorption?
Which from following elements belongs to inner transition elements?
Identify the correct order of acidity of hydrides of 16$^{th}$ group elements from the following.
Calculate the solubility of gas in solvent at 25$^{\circ}$C and 0.8 atm if Henry's law constant for solvent is $6.8 \times 10^{-4}$ moldm$^{-3}$ atm$^{-1}$.
Which from following statements is NOT correct regarding tannins?
Calculate the frequency in Hz of orange colour light having wavelength 600 nm. [C = $3 \times 10^8$ ms$^{-1}$]
Calculate the edge length of unit cell if metal having atomic radius 170 pm forms simple cubic unit cell.
Which among the following is dicarboxylic acid?
Which of the following forces is involved in dinitrogen?
Identify cross linked polymer from following.
Which of the following statements is NOT correct regarding order of reaction?
Identify the reaction so that carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with Zinc-amalgam and concentrated hydrochloric acid.
For a first-order reaction, the time required to reduce the concentration of the reactant to one-fourth of its initial value is 20 minutes. What is the half-life of the reaction?
Identify the correct decreasing order of stability of complexes formed by divalent metal ions with same ligand.
Calculate the osmotic pressure of 0.03 mole of non electrolyte solute dissolved in $0.1\text{dm}^3$ of water at $300 \text{ K}$. $[\text{R} = 0.082\text{dm}^3 \text{ atm mol}^{-1} \text{ K}^{-1}]$}