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What will be the chromatic number for a tree having more than 1 vertex?

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in Data Structures & Algorithms II by (89.2k points)
What will be the chromatic number for a tree having more than 1 vertex?

(a) 0

(b) 1

(c) 2

(d) Varies with the structure and number of vertices of the tree

The question was posed to me in semester exam.

The query is from Graph Coloring in chapter Graph Coloring of Data Structures & Algorithms II

1 Answer

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The correct option is (c) 2

Easy explanation - The minimum number of colors required for proper vertex coloring of graph is called chromatic number. So every tree having more than 1 vertex is 2 chromatic.

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