List of top Chemistry Questions

Explain Cannizzaro’s reaction with the help of benzaldehyde. Write the reaction for the conversion of cyclohexene to adipic acid.
Write the formula to calculate EAN. Explain formation of [CO(NH\(_3\))\(_6\)]\(^{3+}\) complex ion with respect to : (i) Type of hybridisation (ii) Magnetic property
Write the reaction for the preparation of : (i) acetaldehyde by Rosenmund reaction. (ii) benzaldehyde by Gatterman-Koch formylation.
Write the structural formula and IUPAC name of the alcohol having molecular formula C\(_4\)H\(_{10}\)O which does not undergo oxidation under normal condition.
Define conjugate acid-base pair. The hydroxyl ion concentration in aqueous solution of NaOH is 2 \( \times \) 10\(^{-4}\) mol dm\(^{-3}\). Calculate pH of the solution.
What is atom economy? Explain any two applications of nanomaterials.
Write the general electronic configuration of 3d series. Draw the structures of sulphuric acid and thiosulphuric acid.
Write the reactions for the action of following reagents on phenol : (i) Nitrating mixture (ii) Zinc dust What is the action of phosphorous pentachloride on ethyl methyl ether?
Write the differences between lanthanoids and actinoids.
Calculate the work done in kJ in a reaction, if volume of the reactant decreases from 8 dm\(^3\) to 4 dm\(^3\) against 43 bar pressure. [ 1 dm\(^3\) bar = 100J ]
Write anomalous behaviour of oxygen with respect to : (i) Atomicity (ii) Oxidation state (iii) Magnetic property (iv) Nature of hydrides.
Define: Osmotic pressure
Explain ionization isomers with suitable example in complexes.
State Henry's law.
Write the reagents used for the reduction of carbonyl group in Clemmensen's reduction.
Write the structural formula of N, N-dimethylethanamine.
Write the number of donor atoms present in EDTA, during formation of complex.
Write the balanced chemical equation, when excess of ammonia is treated with chlorine.
The rate law equation for A \(\rightarrow\) Product, is rate = k[A]\(^x\). What is the effect of increase in concentration of 'A' on rate of reaction, if x<0?
Write the names of the metal elements in brass alloy.
Write the IUPAC name of isoprene.
What is the molality of an aqueous solution of KBr having freezing point -3.72\(^\circ\)C (K\(_f\) for water is 1.86 K kg mol\(^{-1}\))?
One dimensional nanostructure amongst the following is _______.
The value of \( \Delta n_g \) for the oxidation of 4 mole of sulphur dioxide to sulphur trioxide is _______.
The highest acidic compound among the following is _______.