JEE Advance - Chemistry (2011 - Paper 2 Offline - No. 5)

The number of hexagonal faces that are present in a truncated octahedron is ____________.
Answer
8

Explanation

(i) The shape of a regular octahedron :

IIT-JEE 2011 Paper 2 Offline Chemistry - Solid State Question 16 English Explanation 1

When the octahedron is truncated from all edges.

IIT-JEE 2011 Paper 2 Offline Chemistry - Solid State Question 16 English Explanation 2

(ii) Each face of truncated octahedron is hexagonal.

Since, there are 8 faces, there are eight hexagons.

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