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JEE Previous Year Question

$Number of metal ions characterized by flame test among the following is __________Sr^{2 +}, Ba^{2 +}, Ca^{2 +}, Cu^{2 +}, Zn^{2 +}, Co^{2 +}, Fe^{2 +}$

Topic: JEE PYQ

Answer: 4. Full step-by-step solution below.

Correct answer: 4

Solution

(4) All the following metal ions will respond to flame test. Sr^{2 +}, Ba^{2 +}, Ca^{2 +}, Cu^{2 +}

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