Two students were given the task to prepare an adduct $NH_3 \to BH_3$ at low temperature :-

Student $I$ :- She mixed $B_2H_6$ and $NH_3$

Student $II$ :- He mixed $B_2H_6$ with $THF$ followed by addition of $NH_3$

Which student is expected to get the $CORRECT$ final product ?

  • A

    $I$ only

  • B

    $II$ only

  • C

    Both $I$ and $II$

  • D

    Neither $I$ nor $II$

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  • [AIIMS 2004]