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On heating NaCl+K(2)CrO(7)+conc.H(2)SO(4...

On heating `NaCl+K_(2)CrO_(7)+conc.H_(2)SO_(4)`, the gas comes out is

A

`O_(2)`

B

`Cl_(2)`

C

`CrOCl_(2)`

D

`CrO_(2)Cl_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`CrO_(2) Cl_(2)` is a orange red gas.
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Which of the following on heating with K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) with organge red color vapours ?

On heating a mixture of NaCl, K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) which of the following is formed ?

A colourless inorganic compound (A) imparts a green colour to flame. Its solution does not give white precipitate with H_(2)S . Its solution gives white precipitate with conc. H_(2)SO_(4) which is insoluble in dil. H_(2)SO_(4) . When it is heated with K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) , a red gas is evolved. The gas when passed through aqueous NaOH solution turns it Yellow. Identify the compound (A) and give chemical reactions.

A mixture of K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) forms

The reaction of NaCl and K_(2)Cr_(2)O_(7) mixture with conc. H_(2)SO_(4) result in the formation of:

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:

ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Halogen family)
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