Chemistry questions
29404 published questions with worked solutions.
- The metal that cannot be obtained by electrolysis of an aqueous solution of its salts is
- On heating an aliphatic primary amine with chloroform and ethanolic potassium hydroxide, the organic compound formed is:
- For the reaction SO_ 2(g) + 1 2 O_ 2(g) SO_ 3(g) , if K_P = K_C(RT)^x where the symbols have usual meaning then the value of x...
- Given below are the half-cell reactions: Mn^ 2+ + 2e^- Mn ; E^ = -1.18 V 2(Mn^ 3+ + e^- Mn^ 2+ ) ; E^ = +1.51 V The E^ for 3Mn^...
- If Z is a compressibility factor, van der Waals equation at low pressure can be written as:
- In the reaction CH_3COOH LiAlH_4 A PCl_5 B Alc. KOH C , the product C is -
- Among the following oxoacids, the correct decreasing order of acid strength is -
- Which one of the following properties is not shown by NO?
- Which series of reactions correctly represents chemical relations related to iron and its compound?Not in JEE Main or NEET syllabus
- CsCl crystallises in body centred cubic lattice. If 'a' is its edge length then which of the following expressions is correct?Not in JEE Main or NEET syllabus
- Which one is classified as a condensation polymer?Not in JEE Main or NEET syllabus
- For complete combustion of ethanol, C_2H_5OH(l) + 3O_2(g) 2CO_2(g) + 3H_2O(l) , the amount of heat produced as measured in bomb...
- The octahedral complex of a metal ion M^ 3+ with four monodentate ligands L_1, L_2, L_3 and L_4 absorb wavelengths in the region...
- In which of the following reactions H_2O_2 acts as a reducing agent? (a) H_2O_2 + 2H^+ + 2e^- 2H_2O (b) H_2O_2 - 2e^- O_2 + 2H^+...
- The correct statement for the molecule CsI_3 , is -
- The major organic compound formed by the reaction of 1, 1, 1-trichloroethane with silver powder is:
- The equivalent conductance of NaCl at concentration C and at infinite dilution are _C and _ , respectively. The correct...
- Resistance of 0.2 M solution of an electrolyte is 50 Ω. The specific conductance of the solution is 1.4 S m^ -1 . The resistance...
- The correct set of four quantum numbers for the valence electrons of rubidium atom (Z = 37) is -
- For the non-stoichiometric reaction 2A + B C + D , the following kinetic data were obtained in three separate experiments all at...