Chemistry - Complete Pblock- Question with Solution | TestHub

ChemistryComplete Pblock-p-Block 13,14Medium2 minQB

ChemistryMediuminteger

Find the number of faces present in allotropes of boron having icosahedral unit.

Fill your answer as sum of digits (excluding decimal places) till you get the single digit answer.

Answer:

Solution:

The icosahedral unit in boron allotropes is a B₁₂ cluster. An icosahedron is a polyhedron with 20 faces. Sum of digits for 20 is $2 + 0 = 2$ .

Stream:JEESubject:ChemistryTopic:Complete Pblock-Subtopic:p-Block 13,14

⏱ 2mℹ️ Source: QB

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