List of top Chemistry Questions

How will you obtain the following from Chlorobenzene? (Write only chemical equations) (i) Picric Acid
(ii) Dichlorobenzene
(iii) Chlorobenzene Sulphonic Acid
Write chemical equations of two methods of preparation of monohydric alcohol and also write chemical equation of the reactions of ethyl alcohol with conc. sulphuric acid (H$_2$SO$_4$) at different temperatures.
Write chemical equation for the preparation of ozone and its three oxidizing properties.
What is Aqua Regia? What happens when aqua regia reacts with (i) Gold, and (ii) Platinum.
Write a short note on Nucleophilic substitution reactions in haloalkanes.
Write short notes on the following: (i) Reimer–Tiemann reaction
(ii) Kolbe reaction
Write four characteristics of transition elements.
Write a short note on Acetylation.
Write a short note on IUPAC system of nomenclature of coordination compounds.
Write a short note on denaturation of proteins.
Write Nernst equation and its one application.
Differentiate between Lyophilic and Lyophobic colloids.
Write the chemical equation of the reaction of glucose with bromine water.
Find out the oxidation number of Copper (Cu) in the following coordination compound: [Cu(NH$_3$)$_4$]SO$_4$.
Write the chemical equation for the reactions of chlorine with (i) sulphur dioxide, and (ii) turpentine oil.
Explain Schottky defect.
When a copper rod is dipped into silver nitrate solution, why does the colour of the solution turn blue? Explain.
How many primary alcoholic groups are present in glucose?
Define packing efficiency.
Define packing efficiency.
Write short notes on the following: (i) Claisen Reaction
(ii) Cannizzaro’s Reaction
(iii) Rosenmund’s Reaction
How many moles of water are present in 180 g of water?
R–NH$_2$ + CHCl$_3$ + 3KOH (alc.) $\longrightarrow$ RNC + 3KCl + 3H$_2$O. The above reaction is:
On Cannizzaro’s reaction formaldehyde forms:
Potassium sulphate is: