CUET Questions — Chemistry
494 solved questions with detailed explanations
Q27. The IUPAC name of the complex [Pt(NH₃)₂Cl(NH₂CH₃)]Cl is:
Q19. If KMnO4 is reduced by oxalic acid in the acidic medium, then the oxidation number of Mn changes from:
Q13. In corrosion: (A) A metal is oxidised by loss of electrons to oxygen (B) It is an Electrochemical phenomenon (C) The object under corrosion behaves as anode (D) Coating the metal with Zn can save
Q7. [NiCl2(PPh3)2] is named as:
Q31. Which of the following statements is incorrect with respect to the plot of molar conductivity (Λm) versus square root of concentration (√c) for electrolytes in solution?
Q38. Antiseptics and disinfectants either kill or prevent growth of micro-organism. Identify which of the following statements is not true? (A) Disinfectants harm the living tissues. (B) A 0.2% soluti
Q15. Ferric oxide in blast furnace's upper half is mainly reduced by:
Q56. Which is the only metal that is liquid at room temperature?
Q2. The correct increasing order of basic strength of amine is: (A) C6H5NH2 < NH3 < C6H5CH2NH2 < C2H5NH2 < (C2H5)2NH (B) NH3 < C6H5NH2 < C6H5CH2NH2 < C2H5NH2 < (C2H5)2NH (C) C6H5CH2NH2 < C6H5NH2 < NH3
Q10. Indium is mainly refined by: (a) Vapour phase refining (b) Distillation (c) Zone refining (d) Liquation