List of top Chemistry Questions

Find the number of hyperconjugation structures in the isopropyl carbocation.
What type of following reactions, the oxidative rancidity is?
Which of the following is an aromatic alcohol?
The solubility of AgCl in 0.1 M NaCl is S mol/L. If the solubility product of AgCl is \(1.8\times 10^{-10}\), then S is approximately:
What is the oxidation number of oxygen in \(\text{KO}_2\) ?
Identify from following a weak electrolyte based on their dissociation nature in aqueous medium.
Which of the following compounds is formed when chlorine reacts with dry slake lime \(\text{Ca(OH)}_2\) ?
The most abundant element in the universe is
In a particular reaction, 4 kJ heat is released by the system and 12 kJ work done on the system. Calculate the \(\Delta H\) and \(\Delta U\).
Which of the following statements is true about ideal gas ?
The solubility product of a sparingly soluble salt BA is \(6.4\times 10^{-13}\). Calculate it's solubility in \(\text{g dm}^{-3}\) .
Molar mass of salt is \(190 \text{g mol}^{-1}\) .
Which of the following molecules is paramagnetic?
What is the change in entropy of surrounding for the reaction,
\(\text{H}_{2(g)}+1/2 \text{O}_{2(g)}\rightarrow \text{H}_2\text{O}_{(l)}\)
at 298 K if standard enthalpy of formation of water is \(-286\) kJ ?
Which of the following relations is correct for a reaction \(\text{S}_{(s)}+\text{O}_{2(g)}\rightarrow \text{SO}_{2(g)}\) ?
What is the energy of an electron in a hydrogen atom in a stationary state corresponding to n = 2 ?
Calculate the amount of aluminium present in \(\text{Al}_2(\text{SO}_4)_3\) if the compound contains 4 g of sulfur.
[Molar mass of sulfur = 32 g/mol , Molar mass of Al =27 g/mol ]
What is the observed electronic configuration of Cu ?
Identify increasing order of acidity for following diprotic acids in aqueous solutions.
Identify the monomers used to prepare bakelite from the following.
Identify the natural source of ascorbic acid from following.
During denaturation, which level of protein structure remains unchanged?
Which among the following is NOT a polyester polymer ?
Identify the name of reaction when phenol reacts with chloroform in aqueous NaOH.
Which of the following is the strongest carboxylic acid?
Which of following on oxidation forms propanone?