MCQ
Reagent $X$ in the given reaction is


- A$LiAlH_4 + H_2O$
- ✓$LiAlD_4 + H_2O$
- C$LiAlH_4 + D_2O$
- D$LiAlD_4 + D_2O$

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$A{B_3}(g) \rightleftharpoons A{B_2}(g) + \frac{1}{2}{B_2}(g)$ , when the initial pressure of $AB_3$ is $800\,torr$ and the total pressure developed at equilibrium is $900\,torr$ . What percentage of $AB_3(g)$ is dissociated?
$b. NH_3 < PH_3 < AsH_3$ Reducing power
$c. NI_3 > NBr_3 > NCl_3$ Lewis basic character
$d. N_2O_5 > P_2O_5 > As_2O_5$ Acidic character
Correct order is