JEE Main Chemistry question

Which one of the following belongs to representative group of elements in the Periodic Table?

(A)AluminiumCorrect
(B)Chromium
(C)Argon
(D)Lanthanum

Answer: (A)

Solution

Aluminium, a -block (Group 13) element, is classified as a representative (main-group) element. Chromium is a -block (transition) element, lanthanum is an -block (inner transition) element, and argon,

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Question ID VK-133241