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D and F Block Elements · 2024 · 30 Jan · Shift 2

2 Chemistry questions from this JEE Main paper

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JEE Main
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2024 · 30 Jan · Shift 2
Chemistry
D and F Block Elements

D and F Block Elements · 2024 · 30 Jan · Shift 2

2 Chemistry questions from this JEE Main paper

Q17.The orange colour of $K_{2} Cr_{2} O_{7}$ and purple colour of $KMnO_{4}$ is due to
Chemistry · D and F Block Elements · MCQ
Q22.Number of metal ions characterized by flame test among the following is . $Sr^{2 +}, Ba^{2 +}, Ca^{2 +}, Cu^{2 +}, Zn^{2 +}, Co^{2 +}, Fe^{2 +}$
Chemistry · D and F Block Elements · Numerical