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  • On heating with concentrated {NaOH} solution in an inert atmosphere of {CO}_{2}, white phosphorus gives a gas. Which of the following statement is incorrect about the gas? (i) It is highly poisonous and has smelled like rotten fish.

On heating with concentrated \text {NaOH} solution in an inert atmosphere of \text {CO}_{2}, white phosphorus gives a gas. Which of the following statement is incorrect about the gas?

(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 \text {NH}_{3}

(iv) It is less basic than \text {NH}_{3}

Answers (1)

The answer is the option (c)  P_{4}+3NaOH+3H_{2}O\rightarrow PH_{3} \left ( Phosphine \right )+3NaH_{2}PO_{2}

                                                      PH_{3}  is less basic than NH_{3}

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