List of top Chemistry Questions

When will be the acidic character of carboxylic acid higher in following cases ?
Identify the total number of complexes from following list having monodentate ligands in them
(a) Tetracyanonickelate (II) ion
(b) Potassium hexafluoroaluminate (III)
(c) Tetraamminecopper(II) ion
(d) Potassium trioxalatoaluminate (III)
Which from following catalysts is used in contact process of industrial production of sulfuric acid using \(\text{SO}_2\) and \(\text{O}_2\) (air).
Why transition elements have more tendency to form interstitial compounds?
Which of the following reactions is used for the preparation of alkyl fluorides from alkyl chlorides?
Which from following compounds has lowest thermal stability?
Which from following is NOT an example of oil in water emulsion?
Identify a nanomaterial having all three dimensions less than 100 nm?
If time required for 90 % completion of a first order reaction is '\(t\)'. What is the time required for 99.9 % completion of reaction at same temperature?
What is the term used for the minimum kinetic energy required for the reactant molecules to undergo reaction?
Half life of zero order reaction is 1 hour. If initial concentration of reactant is 2.0 mol \(\text{L}^{-1}\), find the time required to decrease concentration from 0.50 to 0.25 mol \(\text{L}^{-1}\)
Which of the following hot aqueous solutions is used to dip carbon rods of \(\text{H}_2-\text{O}_2\) fuel cell ?
Which of the following concentrations of solutions of urea in water exhibits minimum freezing point depression?
Calculate the molar mass of nonvolatile solute when 4 g of it is dissolved in 100 g solvent that boils at 319.4 K [\(K_b\) = 2.4 K kg \(\text{mol}^{-1}\); B.P of pure solvent = 319 K]
Calculate van't Hoff factor for aqueous solution of 0.02 m formic acid if it freezes at -0.045 \(^{\circ}\text{C}\).
[ \(K_f\) = 1.86 K kg \(\text{mol}^{-1}\) and freezing point of water = \(0 ^{\circ}\text{C}\) ]
If the emf of cell, \(\text{Cu}_{(s)}|\text{Cu}_{(1M)}^{2+}|\text{Ag}_{(1M)}^+|\text{Ag}\) is 0.463 V at \(25 ^{\circ}\text{C}\) and standard potential of Cu electrode is 0.337 V. Find the standard potential of Ag electrode
The conductivity of 0.02 M of KCl solution at 298 K is 0.0123 \(\text{ohm}^{-1} \text{cm}^{-1}\). If the resistance of the cell containing this solution is 120 ohms, what is the value of the cell constant ?
Alkenes on oxidation with \(\text{KMnO}_4\) in dil \(\text{H}_2\text{SO}_4\) forms
Find the volume occupied by a particle in a simple cubic unit cell if the radius of a particle in it is 190 pm.
Calculate the number of unit cells in \(1\text{cm}^3\) of metal if it forms simple cubic structure with unit cell edge length 500 pm.
When excess of chlorine is used in the chlorination of methane find the major product obtained.
Which from following elements is NOT present in mustard gas?
What is IUPAC name of following compound?
Which of the following reactions is NOT an example of redox reaction?
Which from following statements is NOT true about homologous series?