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?

Question

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? (A) Cu 2+ (B) Sr 2+ (C) Ba 2+ (D) Ca 2+

Tardigrade Admin · Accepted Answer

Ion Colour of the flame A Cu2+ green flame with blue centre B Sr2+ Crimson Red C Ba2+ Apple green

Q. 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?

$C u^{2 +}$

$S r^{2 +}$

$B a^{2 +}$

$C a^{2 +}$

Ion Colour of the flame

A $C u^{2 +}$ green flame with blue centre

B $S r^{2 +}$ Crimson Red

C $B a^{2 +}$ Apple green

Ion		Colour of the flame
A	$C u^{2 +}$	green flame with blue centre
B	$S r^{2 +}$	Crimson Red
C	$B a^{2 +}$	Apple green

Q. 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?

Cu2+

Sr2+

Ba2+