(i) It is highly poisonous and has smelled like rotten fish.
(ii) It’s a solution in water decomposes in the presence of light.
(iii) It is more basic than NH3
(iv) It is less basic than NH3
Correct Answer: (iii) It is more basic than NH3
Explanation:
Reaction Involved – PH3. P4 + 3NaOH + 3H2O → PH3 + 3NaH2PO2