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Oxidation state of boron, aluminium and gallium is?

ECAT Engineering Exams Quizzes MCQs Quizzes ECAT Engineering Entry Test 2017 Chemistry Periodic Classification Of Elements & Periodicity

Question:
Oxidation state of boron, aluminium and gallium is?

Option A):
+1
Option B):
+2
Option C):
+3
Option D):
+5

Correct Answer is Option C):
+3

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