Question:hard

The reaction between \(X\) and \(Y\) produces a solid substance and a mixture of two gases, one of which is a colourless toxic gas. \(X\) and \(Y\) respectively are

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Important reaction: \[ 2NaBH_4 + I_2 \rightarrow B_2H_6 + 2NaI + H_2 \] \[ B_2H_6 \] (diborane) is a colourless, highly toxic gas and is an important boron hydride.
Updated On: Jul 29, 2026
  • \(LiAlH_4,\ BF_3\)
  • \(NaBH_4,\ I_2\)
  • \(NaH,\ BF_3\)
  • \(LiBH_4,\ BCl_3\)
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The Correct Option is B

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