KCET 2026 | Salt Analysis Question 1 | Chemistry

When salt BA is treated with Conc. $\text{H}_2\text{SO}_4$ reddish brown gas is liberated. The aqueous solution of BA gives pale yellow precipitate with $\text{AgNO}_3$ solution. Which of the following anion ($\text{A}^-$) is present in the salt BA?

$\text{Cl}^-$

$\text{CO}_3^{2-}$

$\text{SO}_4^{2-}$

$\text{Br}^-$

KCET 2025

MCQ (Single Correct Answer)

-0

The group reagent $\mathrm{NH}_4 \mathrm{Cl}(\mathrm{s})$ and aqueous $\mathrm{NH}_3$ will precipitate which of the following ion?

$\mathrm{NH}_4^{+}$

$\mathrm{Al}^{3+}$

$\mathrm{Ba}^{2+}$

$\mathrm{Ca}^{2+}$

KCET 2025

MCQ (Single Correct Answer)

-0

The sodium fusion extract is boiled with concentrated nitric acid while testing for halogens. By doing so, it

helps in precipitation of AgCl

increases the solubility of AgCl

increases the concentration of $\mathrm{NO}_3^{-}$ion

decomposes $\mathrm{Na}_2 \mathrm{~S}$ and NaCN , if formed

KCET 2024

MCQ (Single Correct Answer)

-0

In the analysis of III group basic radicals of salts, the purpose of adding $\mathrm{NH}_4 \mathrm{Cl}(s)$ to $\mathrm{NH}_4 \mathrm{OH}$ is

to increase the concentration of $\mathrm{OH}^{-}$ions

to precipitate the radicals of group IV and V

to suppress the dissociation of $\mathrm{NH}_4 \mathrm{OH}$

to introduce $\mathrm{Cl}^{-}$ions

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Chemistry

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Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

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Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Salt Analysis Environmental Chemistry

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IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry