NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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Analyzing +4 | -1

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

View answer and explanation

Correct option: B

{BaCl}_2

Option C (

{CuCl}_2

) is correct because copper salts impart a green color to the flame, and upon heating with

{K}_2 {Cr}_2 {O}_7

and conc.

{H}_2 {SO}_4

{CuCl}_2

evolves a red gas (chromyl chloride).

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