MCQ
Heating white phosphorus with conc. $NaOH$ solution gives mainly
- A$Na _{3} P$ and $H _{2} O$
- B$H _{3} PO$ and $NaH$
- C$P ( OH )_{3}$ and $NaH _{2} PO _{4}$
- ✓$PH _{3}$ and $NaH _{2} PO _{2}$
✓
Answer
Correct option: D.
$PH _{3}$ and $NaH _{2} PO _{2}$
d
$P _{4}+3 NaOH +3 H _{2} O \rightarrow 3 NaH _{2} PO _{2}+ PH _{3}$
$P _{4}+3 NaOH +3 H _{2} O \rightarrow 3 NaH _{2} PO _{2}+ PH _{3}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
.
Which of the following has smallest ionic radius ?
Consider the reactions, Identify $A, \,X,\, Y$ and $Z.$
→$\underset{({{C}_{2}}{{H}_{6}}O)}{\mathop{X}}\,\,\xrightarrow[573\,\,K]{Cu}$ $A$ $\xrightarrow[^{-}OH\,,\,\Delta ]{{{[Ag{{(N{{H}_{3}})}_{2}}]}^{+}}}$ Silver mirror
$A\,\xrightarrow{^{-}OH\,,\,\Delta }Y$
$A\,\xrightarrow{N{{H}_{2}}NHCON{{H}_{2}}}Z$
Addition of $KI$ accelerates the hydrolysis of primary alkyl halides because
→Arrange the following three chlorides in decreasing order towards $S_{N^1}$ reactivity.
→Which of the following is responsible for heredity character
Which of the following is a conjugated protein
Metal oxides which decomposes on heating is
Which of the following compounds will not give isocyanide on reaction with $CHCl_3 + KOH$ ?
→Which of the following is the most basic compound?