Chemistry questions
29404 published questions with worked solutions.
- In first order reaction, the concentration of the reactant decreases from 0.8M to 0.4M in 15 minutes. The time taken for the...
- The rate equation for the reaction 2A + B C is found to be: rate k[A][B]. The correct statement in relation to this reaction is...
- Which among the following factors is the most important in making fluorine the strongest oxidizing halogen?
- Which one the following statement regarding helium is incorrect?
- One mole of magnesium nitride on the reaction with an excess of water gives
- Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them?
- Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statements about cerium is incorrect?
- The coordination number of central metal atom in a complex is determined by
- Which one of the following complexes in an outer orbital complex?
- Coordination compound have great importance in biological systems. In this context which of the following statements is incorrect?
- Which one the following has largest number of isomers?
- The correct order of magnetic moments (spin only values in B.M.) among is
- The compound formed on heating chlorobenzene with chloral in the presence concentrated sulphuric acid is
- Acetyl bromide reacts with excess of CH_3MgI followed by treatment with a saturated solution of NH_4Cl given
- Which one of the following reduced with zinc and hydrochloric acid to give the corresponding hydrocarbon?
- Consider the acidity of the carboxylic acids:
- On mixing ethyl acetate with aqueous sodium chloride, the composition of the resultant solution is
- Which of the following is the strongest base?
- Identify the correct statements regarding enzymes
- Two solutions of a substance (non electrolyte) are mixed in the following manner. 480 ml of 1.5 M first solution + 520 mL of 1.2...