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Reaction with Metals

Sodium chlori...

Question

Sodium chloride, when heated with conc. $H_{2} {S O}_{4}$ and solid potassium dichromate gives:

A

chromic chloride

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B

chromyl chloride

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C

chromous chloride

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D

none of these

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Solution

The correct option is D chromyl chloride
Sodium chloride, when heated with conc. $H_{2} S O_{4}$ and solid potassium dichromate gives chromyl chloride.
$K_{2} C r_{2} O_{7} + 6 H_{2} S O_{4} + 4 N a C l \to 2 K H S O_{4} + 4 N a H S O_{4} + 2 C r O_{2} C l_{2} + 3 H_{2} O$

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Similar questions

Q. Sodium chloride, when heated with conc.

H_{2} S O_{4}

and solid potassium dichromate gives :

Q. When a mixture of potassium dichromate and sodium chloride is heated with concentrated

H_{2} {S O}_{4}

, orange-red vapors of chromyl chloride are formed.

If true enter 1, if false enter 0.

Q. When a mixture of solid sodium chloride,potassium dichromate is heated with concentrated sulphuric acid orange red vapours are formed, then compound formed is :

Q. Write balanced chemical equations for the following reactions:
(i) A mixture of potassium dichromate and sodium chloride is heated with concentrated

H_{2} {S O}_{4}

.
(ii) Aqueous solution of sodium nitrate is heated with zinc dust and caustic soda solution.
(iii) Sodium iodate is added to a solution of sodium bisulphite.
(iv) Iron reacts with cold dilute nitric acid.
(v) Potassium permanganate is added to a hot solution of manganous sulphate.

Q. Assertion :Chlorides are confirmed by the chromyl chloride test. Reason: When the salt is heated with potassium dichromate and concentrated sulphuric acid, red vapours of tetrachromyl chloride are produced.

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