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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| List$-II$ | List$-II$ |
| $(a)$ ${PCl}_{5}$ | $(i)$ Square pyramidal |
| $(b)$ ${SF}_{6}$ | $(ii)$ Trigonal planar |
| $(c)$ ${BrF}_{5}$ | $(iii)$ Octahedral |
| $(d)$ ${BF}_{3}$ | $(iv)$ Trigonal bipyramidal |
Choose the correct answer from the options given below.
$A + O_2 \to B$
$B + O_2+ H_2O \to C$
$A,\, B$ and $C$ are
What is $''B''$ ?