Assertion : Borax bead test is not suitable f | vedclass

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

Question

(B) The borax bead test is used to identify transition metal ions by the formation of characteristic coloured metaborates. $Al^{3+}$ ions do not form

Vedclass · Accepted Answer

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

Vedclass · Answer

(B) The borax bead test is used to identify transition metal ions by the formation of characteristic coloured metaborates. $Al^{3+}$ ions do not form coloured metaborates,which is why the test is not suitable for $Al(III)$.$Al_2O_3$ is indeed insoluble in water,but this property is unrelated to the failure of the borax bead test for aluminium. Therefore,both statements are correct,but the reason does not explain the assertion.

Assertion : Borax bead test is not suitable for $Al(III)$.
Reason : $Al_2O_3$ is insoluble in water.

Similar Questions

Electronic configuration of $Gd$ $(Z = 64)$ is

Which of the following statements is correct regarding the ions $Zn^{2+}$,$Ni^{2+}$,and $Cr^{3+}$? (Atomic numbers: $Zn = 30$,$Ni = 28$,$Cr = 24$)

$d-d$ transition occurs in . . . . . . .

Which of the following graphs is the correct representation of the relationship between atomic number $(Z)$ and the magnetic moment of $d-$block elements? [Outer electronic configuration : $(n - 1)d^x\ ns^{1\ or\ 2}$]

The colour of an electrolyte solution depends on

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Assertion : Borax bead test is not suitable for $Al(III)$.Reason : $Al_2O_3$ is insoluble in water.