MCQ
Incorrect statement about $PH_3$ is
- AIt is produced by hydrolysis of $Ca_3P_2$
- BIt gives black $ppt.\, (Cu_3P_2)$ with $CuSO_4$ solution
- CSpontaneously bums in presence of $P_2H_4$
- ✓It does not react with $B_2H_6$
✓
Answer
Correct option: D.
It does not react with $B_2H_6$
d
$PH _3$ (Lewis base) can react with $B _2 H _6$ (Lewis acid).
$PH _3$ (Lewis base) can react with $B _2 H _6$ (Lewis acid).
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
Stadard electromotive force for following cell is $ Zn|Zn^{+2}\, (1\,M)| |I^{\circleddash}\,(1\,M)| CuI| Cu$ if halfcell reaction ........... $\mathrm{V}$
→$CuI_{(s)} + e^{\circleddash} \to Cu_{(s)} + I^{\circleddash}_{(aq)}$ ; $E^o = -0.17\, V$
$Zn^{+2}_{(aq)} + 2e^{\circleddash} \to Zn_{(s)}$ ; $E^o = -0.76\, V$
A sample of milk splits after $60 \;min$. at $300\; \mathrm{K}$ and after $40 \;min$. at $400 \;\mathrm{K}$ when the population of lactobacillus acidophilus in it doubles. The activation energy (in $\mathrm{kJ} / \mathrm{mol}$ ) for this process is closest to ............. $\mathrm{kJ/mole}$
→(Given, $\mathrm{R}=8.3\; \mathrm{J} \mathrm{mol}^{-1} \mathrm{K}^{-1}$$, \ln \left(\frac{2}{3}\right)=0.4$ $\left.e^{-3}=4.0\right)$
Which of the following is not consumed in a biochemical process?
Electrode potentials of five elements $A,\,B,\,C,\,D$ and $E$ are respectively $-1.36 , -0.32, 0, -1.26$ and $ -0.42$. The reactivity order of these elements are in the order of
→In the following reaction, compound $Q$ is obtained from compound $P$ via an ionic intermediate What is the degree of unsaturation of $Q$ ?
→In corrosion of iron,
Predict the product when given compound ($A$, in the above question $4$) reacts with $NaBH_4$ .
→Glucose molecule reacts with $X$ number of molecules of phenylhydrazine to yield osazone. The value of $X$ is
→Which of the following has largest number of isomers ?
The major product $(\mathrm{P})$ in the following reaction is
→