QJEEM22Chf1aa: JEE Main 2022 Chemistry - Class 12 JEEM22Chf1aa Solution: In the flame test of a mixture of salts, a green flame with…

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In the flame test of a mixture of salts, a green flame with blue centre was observed. Which one of the following cations may be present?

Accepted Answer

Cupric salts give green flame with blue centre. The colour of other salts are

\begin{array}{ll}\mathrm{Sr}^{2+} &amp; \text { Crimson red } \\ \mathrm{Ca}^{2+} &amp; \text { Brick red } \\ \mathrm{Ba}^{2+} &amp; \text { Green }\end{array}

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