(D) Group Cations Group $-II$ $Cu^{2+}$ Group $-III$ $Al^{3+}$ Group $-IV$ $Co^{2+}$ Group $-V$ $Ba^{2+}$

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(D) Group Cations Group $-II$ $Cu^{2+}$ Group $-III$ $Al^{3+}$ Group $-IV$ $Co^{2+}$ Group $-V$ $Ba^{2+}$ Group $-VI$ $Mg^{2+}$ The correct order of group number of ions is $\underset{(B)}{Cu^{2+}} Therefore,the correct order is $B, A, D, C, E$.

Class 12 Chemistry Principles Related to Practical Chemistry Wet Test for Basic Radical

Medium

Given below are certain cations. Using inorganic qualitative analysis,arrange them in increasing group number from $0$ to $VI$.
$A$. $Al^{3+}$ $B$. $Cu^{2+}$ $C$. $Ba^{2+}$ $D$. $Co^{2+}$ $E$. $Mg^{2+}$
Choose the correct answer from the options given below.

NEET 2024 All NEET

A
$B, C, A, D, E$
B
$E, C, D, B, A$
C
$E, A, B, C, D$
D
$B, A, D, C, E$

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Given below are certain cations. Using inorganic qualitative analysis,arrange them in increasing group number from $0$ to $VI$.$A$. $Al^{3+}$ $B$. $Cu^{2+}$ $C$. $Ba^{2+}$ $D$. $Co^{2+}$ $E$. $Mg^{2+}$Choose the correct answer from the options given below.

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Compound $A$ on borax bead test in reducing flame gives green colour bead. Compound $A$ on treatment with $H_2O_2$ followed by treatment with $Pb(OAc)_2$ gives yellow ppt. The metal ion in the compound $A$ is :

Which of the following pairs cannot be separated by passing $H_2S$ gas?

Consider the following reaction scheme: $D(\text{White ppt}) \xleftarrow{Na_2CO_3} A \xrightarrow[\text{in acetic acid}]{K_2CrO_4} B(\text{Yellow ppt})$ and $A \xrightarrow{dil.\ H_2SO_4} C(\text{White ppt})$. If $A$ is a metallic salt,then the white precipitate $D$ must be:

Which of these reactions is correct?

When calomel reacts with a solution of $NH_4OH$,which compound is formed?

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Given below are certain cations. Using inorganic qualitative analysis,arrange them in increasing group number from $0$ to $VI$.
$A$. $Al^{3+}$ $B$. $Cu^{2+}$ $C$. $Ba^{2+}$ $D$. $Co^{2+}$ $E$. $Mg^{2+}$
Choose the correct answer from the options given below.