Which one of the following cations gives a brick red flame by flame test?

Question

Which one of the following cations gives a brick red flame by flame test? (A)  Ba2+  (B)  Sr2+  (C)  Ca2+  (D)  Zn2+

Tardigrade Admin · Accepted Answer

Alkali and alkaline earth metals ( Ca , Sr , Ba ) give characteristic colour when introduced in Bunsen flame. Ba 2+ - Apple green Sr 2+ - Crimson red Ca 2+ - Brick-red

Q. Which one of the following cations gives a brick red flame by flame test?

$B a^{2 +}$

$S r^{2 +}$

$C a^{2 +}$

$Z n^{2 +}$

Alkali and alkaline earth metals $(C a, S r, B a)$ give characteristic colour when introduced in Bunsen flame.
$B a^{2 +} -$ Apple green
$S r^{2 +} -$ Crimson red
$C a^{2 +} -$ Brick-red

Q. Which one of the following cations gives a brick red flame by flame test?

Ba2+

Sr2+

Ca2+

Zn2+

Alkali and alkaline earth metals (Ca,Sr,Ba) give characteristic colour when introduced in Bunsen flame. Ba2+− Apple green Sr2+− Crimson red Ca2+− Brick-red

$B a^{2 +}$

$S r^{2 +}$

$C a^{2 +}$

$Z n^{2 +}$

Alkali and alkaline earth metals $(C a, S r, B a)$ give characteristic colour when introduced in Bunsen flame.
$B a^{2 +} -$ Apple green
$S r^{2 +} -$ Crimson red
$C a^{2 +} -$ Brick-red