List of top Chemistry Questions

Cyclohexene on oxidation by \(\text{KMnO}_4\) in dilute \(\text{H}_2\text{SO}_4\) produces
What is the difference in terms of molar masses of second and fourth members of homologous series?
In a fcc arrangement of A and B atoms in which 'A' atoms are at the corners of the unit cell and 'B' atoms are at the face centers. One of the 'A' atoms is missing from one corner in unit cell. What is the simplest formula of a compound ?
Find the oxidation number of Cl in \(\text{ClO}_4^{-1}\)
Which alkaline earth metal carbonate decomposes most easily?
What is the solubility of \(\text{BaSO}_4\) in g /\(\text{dm}^3\) if its solubility product is \(1.0\times 10^{-10}\) at \(25^{\circ}\)C. [Molar mass of \(\text{BaSO}_4 = 233\) g/mol]
What is the normal pH of human blood?
The equilibrium constant for a reaction is \(100\). What will be the value of standard Gibbs energy change at \(298\) K ? (\(R = 8.314\) J \(\text{K}^{-1}\text{mol}^{-1}\))
Identify the different types of bonds present in quaternary ammonium salts.
\(2.8\) g of KOH is dissolved in a \(500\) mL solution at \(298\) K. What is the \(p^H\) of solution ? (molar mass of KOH = \(56\) g/mol)
A syringe has a volume of \(10.0 \text{cm}^3\) at a pressure of \(1\) atm. If the end is sealed and the plunger is pushed down (constant temperature), what will be the final volume when the pressure becomes \(3.5\) atm?
The bond dissociation enthalpy of \(\text{H}_2\), \(\text{Cl}_2\) and HCl are \(434\), \(242\) and \(431\) kJ \(\text{mol}^{-1}\) respectively. Calculate the enthalpy of formation of HCl.
What are the total number of electrons present in s and p orbitals respectively in the argon?
Calculate the volume of \(99\) g of \(\text{CO}_2\) at STP ?
Which of the following compounds is most acidic in nature?
Which of the following polymers is also called as dacron?
What type of drug the aspirin is?
The secondary structure of protein is determined by
The reaction of glucose with acetic Anhydride, confirms the
Identify the product obtained when RCN is treated with sodium and alcohol.
Which of the following compounds are used to obtain terylene polymer?
Which of following amines exhibits carbylamine test?
Which from following is a suitable method for preparation of ether?
Identify the product obtained when Grignard reagent reacts with alkyl cyanide followed by acid hydrolysis.
Acetaldehyde, when heated in the presence of sodium hydroxide and iodine forms