Q60 · CSIR NET Chemistry, December 2011
Paper: CSIR NET December 2011 · Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Marks: 2 · Difficulty: Easy
The styx code of $\mathrm{B}_{4} \mathrm{H}_{10}$ is:
(a)4120
(b)4220
(c)4012
(d)3203
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
B₄H₁₀ (arachno): 4 B–H–B bridges, 0 BBB bonds, 1 B–B bond, 2 extra BH₂ units — styx 4012.
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