List of top Chemistry Questions

Reaction of acetone with HCN gives
The potential of a hydrogen electrode at pH=10 is
Dissolving 120 g of urea in 1000 g of water gave a solution of density 1.15g/mL. The molarity of the solution is
A 5.2 molal aqueous solution of methyl alcohol, CH3OH is supplied. What is the mole fraction of methyl alcohol in the solution?
When 2-butyne is treated with Pd BaSO4; the product formed will be
Which of the following acids does not exhibit optical isomerism ?
The compound formed as a result of oxidation of ethyl benzene by KMnO4 is
Which of the following reactions will not result in the formation of carbon-carbon bond?
Which of the following has highest knocking effect in IC engine?
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?
Alkyl halides react with dialkyl copper reagents to give
Which of the following statements is incorrect regarding physiosorption ?
Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10 and 0.005 respectively. The correct order of their protective powers is
When a sulphur sol is evaporated, sulphur is obtained. On mixing with water, sulphur sol is not formed. The sol is
The hydrocarbon which can react with sodium in liquid ammonia is
Among the electrolytes Na2SO4. CaCl2, Al2(SO4)3 and NH4 Cl, the most effective coagulating agent for Sb2S3, sol is
Which one of the following is an example for homogenous catalysis ?
The monomer used to produce orton is
The polydispersity index of the polymer is always
Which one of the following statement is incorrect about enzyme catalysis ?
Among cellulose, poly vinyl chloride (PVC), nylon and natural rubber, the polymer in which intermolecular forces of attraction are weakest is
Plexiglass is a commercial name of
Glass is
Among the following substituted silanes the one which will give rise to cross linked silicone polymer on hydrolysis is
Which one of the following is not a condensation polymer ?