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. Ba2+ - Apple green Sr2+ - Crimson red Ca2+ - 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