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Chemistry - Complete Pblock- Question with Solution | TestHub

ChemistryComplete Pblock-p-Block 13,14Medium2 minQB

ChemistryMediumsingle choice

A bucky ball fullerene with formula $C_{70}$ has x number of pentagon and y number of hexagon, z number of faces w number of edges. What is $\frac{( w + x ) - ( y + z )}{11}$ ?

Options:

Answer:

Solution:

C₇₀ has 12 pentagon (x) and 25 hexagonal face (y), total there are 37 faces (z) and 105 edges (w). $\frac{w + x - ( y + z )}{11} = \frac{117 - 62}{11} = 5$

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

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