Chemistry questions
29404 published questions with worked solutions.
- Which of the following compounds has wrong IUPAC name ?
- Which of these will not react with acetylene ?
- Racemic mixture is formed by mixing two
- Na and Mg crystallize in BCC and FCC type crystals respectively, then the number of atoms of Na and Mg present in the unit cell...Not in JEE Main or NEET syllabus
- Freezing point of an aqueous solution is (-0.186)^ . Elevation of boiling point of the same solution is K_b = 0.512^ , K_f =...
- In mixture A and B component show -ve deviation as
- EMF of a cell in terms of reduction potential of its left and right electrodes is
- If denotes reduction potential, then which is true ?
- What will be the emf for the given cell Pt ,|H_2(P_1)|H^+(aq)||H_2(P_2) ,| ,Pt
- Which of the following reaction is possible at anode?
- When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes are
- Units of rate constant of first and zero order reactions in terms of molarity M unit are respectively
- For the reaction A + 2B C, rate is given by R = [A][B]^2 then the order of the reaction is
- The differential rate law for the reaction H_2 + I_2 2HI is
- The integrated rate equation is Rt = C_0 - C_t. The straight line graph is obtained by plotting
- The formation of gas at the surface of tungsten due to adsorption is the reaction of orderNot in JEE Main or NEET syllabus
- Aluminium is extracted by the electrolysis ofNot in JEE Main or NEET syllabus
- The metal extracted by leaching with a cyanide isNot in JEE Main or NEET syllabus
- Cyanide process is used for the extraction ofNot in JEE Main or NEET syllabus
- In XeF_2, XeF_4, XeF_6 the numebr of lone pairs of Xe are respectively