List of top Chemistry Questions

Which of the following electrolytic solutions has the least specific conductance?
The standard emf of galvanic cell involving 3 moles of electrons in its redox reaction is 0.59 V. The equilibrium constant for the reaction of the cell 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
Alkyl halides react with dialkyl copper reagents to give
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?
Which of the following acids does not exhibit optical isomerism ?
The compound formed as a result of oxidation of ethyl benzene by KMnO4 is
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?
When 2-butyne is treated with Pd BaSO4; the product formed will be
Which one of the following is an example for homogenous catalysis ?
When a sulphur sol is evaporated, sulphur is obtained. On mixing with water, sulphur sol is not formed. The sol is
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
Which of the following statements is incorrect regarding physiosorption ?
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 statement is incorrect about enzyme catalysis ?
The monomer used to produce orton is
Glass is
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
The polydispersity index of the polymer is always
Among the following substituted silanes the one which will give rise to cross linked silicone polymer on hydrolysis is
Which of the following is correct statement ?
Which of the following statements is false ?