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Sodium chloride on heating with aqueous ...

Sodium chloride on heating with aqueous solution of `K_(2)Cr_(2)O_(7)` and concentrated `H_(2)SO_(4)` produces:

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To solve the question about what happens when sodium chloride (NaCl) is heated with potassium dichromate (K₂Cr₂O₇) and concentrated sulfuric acid (H₂SO₄), we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Reactants**: We have sodium chloride (NaCl), potassium dichromate (K₂Cr₂O₇), and concentrated sulfuric acid (H₂SO₄). 2. **Understand the Reaction Conditions**: The reaction occurs upon heating the mixture of these substances. Heating is crucial as it facilitates the chemical reactions between the reactants. ...
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Consider the following statements : S_(1) : A metal chloride on heating with an aqueous solution of K_(2)Cr_(2)O_(7) and concentral H_(2)SO_(4) produces deep red vapours. S_(2) : Lead nitrate dissolved in water responds to brown ring test. S_(3) : Deep red solution of ferric acetate on boiling with water turns to brownishred solution. S_(4) : NaNO_(2) solution acidified with acetic acid produces blue colour with iodide solution and starch paste of these.

Assertion : Solid potassium dichromate gives greenish yellow vapour with concentrated H_(2) SO_(4) and solid ammonium chloride. Reason : The reaction of ammonium chloride with solide K_(2) Cr_(2) O_(7) and concentrated H_(2) SO_(4) produces chromyl chloride.

The evolution of a red-brown gas on heating a salt with K_(2)Cr_(2)O_(7) and concentrated H_(2)SO_(4) can arise from:

A white sublimable solid, when boiled with an NaOH solution, gives a colourless gas that turns nessler's reagent brown. The solid on being heated with solid K_(2)Cr_(2)O_(7) and concentrated H_(2)SO_(4) , gives red brown vapours. The white solid can be:

A solid mixture of AgCl ad K_(2)Cr_(2)O_(7) is heated with conc. H_(2)SO_(4) and produces:

Which of the following soled salt on heating with solid K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) orange red vapours are evolved which turn aquous NaOH solution yellow?

Assertion : Br^(Θ) ions do not interfere in the chromyl chloride test for chloorides Reasion : A bromide on oxidation with K_(2)Cr_(2)O_(7) concentrates H_(2)SO_(4) liberates Br_(2) which dissolve in NaOH to give a colourless solution

Acidic K_(2)Cr_(2)O_(7) reacts with H_(2)S to produce:

A laboratory reagent imparts green colour to the flame. On heating with solid K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) it evolves a red gas. Identify the reagent .

When a mixture of solid NaCl and solid K_(2)Cr_(2)O_(7) is heated with concentrated H_(2)SO_(4) deep red vapours are obtained.This is due to the formation of:

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