Number of metal ions characterized by flame t | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) The flame test is used to identify the presence of certain metal ions in a sample based on the characteristic color they impart to a flame.Among t

Vedclass · Accepted Answer

$4$

Vedclass · Answer

(D) The flame test is used to identify the presence of certain metal ions in a sample based on the characteristic color they impart to a flame.Among the given ions,$Sr^{2+}$ (crimson red),$Ba^{2+}$ (apple green),$Ca^{2+}$ (brick red),and $Cu^{2+}$ (blue-green) show a positive flame test.$Zn^{2+}$,$Co^{2+}$,and $Fe^{2+}$ do not give a characteristic flame test.Therefore,the total number of metal ions that respond to the flame test is $4$.

Number of metal ions characterized by flame test among the following is $....$.
$Sr^{2+}, Ba^{2+}, Ca^{2+}, Cu^{2+}, Zn^{2+}, Co^{2+}, Fe^{2+}$

Similar Questions

Give the general electronic configuration of alkali metals and provide the electronic configuration for each element of the alkali metal group.

From which of the following minerals is $Ra$ (Radium) obtained?

Chile saltpetre is

The hydroxides and carbonates of sodium and potassium are easily soluble in water,while the corresponding salts of magnesium and calcium are sparingly soluble in water. Explain.

Two elements $A$ and $B$ have similar chemical properties. They do not form solid hydrogencarbonates,but react with nitrogen to form nitrides. $A$ and $B,$ respectively,are :

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Number of metal ions characterized by flame test among the following is $....$.$Sr^{2+}, Ba^{2+}, Ca^{2+}, Cu^{2+}, Zn^{2+}, Co^{2+}, Fe^{2+}$