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Question

Match List I with List II

List-I (lon) List-II (Group Number in Cation Analysis)
A. $${Co}^{2 +}$$ I. Group-I
B. $${Mg}^{2 +}$$ II. Group-III
C. $${Pb}^{2 +}$$ III. Group-IV
D. $${Al}^{3 +}$$ IV. Group-VI

Choose the correct answer from the options given below:

Options

A.A-III, B-IV, C-II, D-I
B.A-III, B-IV, C-I, D-II
C.A-III, B-II, C-IV, D-I
D.A-III, B-II, C-I, D-IV

Solution

Sol. [Key Concept: Match — cations with their qualitative-analysis group number]

Ion Group number in Cation Analysis
A. $${Co}^{2 +}$$ Group-IV
B. $${Mg}^{2 +}$$ Group-VI
C. $${Pb}^{2 +}$$ Group-I
D. $${Al}^{3 +}$$ Group-III

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