Which of the following does/do not impact characteristic colour to the flame?

M g S O_{4}

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C a C l_{2}

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S r (N O_{3})_{2}

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B e C l_{2}

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Solution

The correct options are
A $M g S O_{4}$
D $B e C l_{2}$
$C a C l_{2}$ has orange colour.
$S r (N O_{3})_{2}$ has crimson colour flame.

Be and Mg do not impart any colour to the flame due to higher ionization energy and small size.The energy of the flame is not sufficient to excite the electrons to higher energy levels. Hence, they do not impart any characteristic colour to the flame

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Similar questions

B e C l_{2}, S r C l_{2}, M g C l_{2}, C a C l_{2}, B a C l_{2}

B e

M g

Out of the following elements, which will not give any characteristic flame colouration:

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