$BCl_3$ does not exist as dimer but $BH_3$ exist as dimer $(B_2H_6)$ becuase

  • A

    Chlorine is more electronegative than hydrogen

  • B

    There is $p\pi -p \pi $ back bonding in $BCl_3$ but does not contain such multiple bonding

  • C

    Large sized chlorine atoms do not fit in between the small boron atoms whereas small sized hydrogenatoms get fitted between boron atoms

  • D

    none of these

Similar Questions

Assertion : Boron is metalloid.

Reason : Boron shows metallic nature.

  • [AIIMS 1997]

Correct match is :

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