Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

BITSAT 2014

Exam: BITSAT
Year: 2014
Subject: Chemistry
Chapter: Practical Chemistry

BITSAT 2014 · Chemistry · Practical Chemistry

Which of the following ions can be separated by aq. NH_ 4 OH in...

Which of the following ions can be separated by aq.

\mathrm{NH}_{4} \mathrm{OH}

in presence of

\mathrm{NH}_{4} \mathrm{Cl}

Options

A $\mathrm{Al}^{3+}$ and $\mathrm{Fe}^{3+}$
B $\mathrm{Cr}^{3+}$ and $\mathrm{Al}^{3+}$
C $\mathrm{Cu}^{2+}$ and $\mathrm{Al}^{3+}$
DNone of these

Correct answer

C. $\mathrm{Cu}^{2+}$ and $\mathrm{Al}^{3+}$

Step-by-step solution

\mathrm{Cu}^{2+}

is of group II and

\mathrm{Al}^{3+}

is of group III of cation analysis.

Practice Practical Chemistry on Quantrex Academy →

More from Practical Chemistry

When C_ 2 H_ 2 , CH_ 4 and C_ 2 H_ 4 pass through a test tube which has ammonical Cu_ 2… BITSAT 2021 Which of the following compounds, on reaction with NaOH and Na _ 2 O _ 2 gives yellow… BITSAT 2019 Sodium nitroprusside, when added to an alkaline solution of sulphide ions, produce a BITSAT 2019 When H _ 2 S gas is passed into a mixture of Mn ^ 2 + , Ni ^ 2 + , Cu ^ 2 + and Hg ^ 2 +… BITSAT 2018 Sometimes, the colour observed in Lassaigne's test for nitrogen is green. It is because BITSAT 2016 K_ 4 [Fe(CN)_ 6 ] is used in detecting. BITSAT 2015 A mixture of chlorides of copper, cadmium, chromium, iron and aluminium was dissolved in… BITSAT 2013 Which of the following is soluble in yellow ammonium sulphide? BITSAT 2012 Full Practical Chemistry list All BITSAT PYQs