Relative decrease in vapour pressure of an aqueous solution containing 2 moles [Cu{(NH3)3}Cl]Cl in 3 moles of H2O is 0.50. On reaction with AgNO3, this solution will form: [assuming no change in degree of ionization of a substance on adding AgNO3]
A. 1 mol AgCl
B. 0.25 mol AgCl
C. 0.5 mol AgCl
D. 0.40 mol AgCl

Which of the following is more acidic in nature?

• A. HClO
• B. HCl₂O
• C. HCl₃O
• D. HCl₄O

Which of the following is not a greenhouse gas?

• A. Carbon dioxide
• B. Sulphur dioxide
• C. Methane
• D. Nitrogen

Which of the following is not an antibiotic?

• (A) Morphine
• (B) Penicillin
• (C) Streptomycin
• (D) Chloramphenicol

Which of the following is not optically active?

• A. [Co(en)₃]³⁺
• B. [Cr(ox)₃]³⁻
• C. cis - [CoCl₂(en)₂]⁺
• D. trans - [CoCl₂(en)₂]⁺

Which of the following is soluble in water?

• (A) CS₂
• (B) C₂H₅OH
• (C) CCl₄
• (D) CHCl₃