Answer
418.2k+ views
Hint:Bunsen burner is a gas burner used in the laboratory as a laboratory equipment. When a compound comes in contact with the Bunsen burner, it imparts colored flames. Bunsen burner is used to provide a single flame.
Complete step by step answer:
-Bunsen burner is used in the laboratory that produces single open gas flames. It is used for combustion and heating. The gas can be liquefied petroleum, for example, butane and propane, or it can be natural gas, which is mainly methane.
-When $NaCl$ is passed through this flame, it imparts yellow colouration to the Bunsen burner non – luminous flame. Therefore, option (A) is incorrect.
-When $BaC{{l}_{2}}$ is passed through this flame, it imparts green colouration to the Bunsen burner non – luminous flame. Therefore, option (B) is also incorrect.
-When $CaC{{l}_{2}}$ is passed through this flame, it imparts orange colouration to the Bunsen burner non – luminous flame. Therefore, option (C) is also incorrect.
-When $KCl$ is passed through this flame, it imparts violet colouration to the Bunsen burner non – luminous flame. Therefore, option (D) is correct.
-Hence, $KCl$ is the one that imparts violet colouration to the Bunsen burner non-luminous flame.
So, the correct option is (D) $KCl$ .
Additional information:
In the laboratory, these burners are attached to the house supply of gas by rubber tube. When the jet is opened, gas flows to the burner base. The amount of gas entering into the tube is regulated by needle value at the base of the burner.
Air flows in the burner tube controls the flame temperature. If the air is less, then it produces cooler flame and if the air is more, it produces a hotter flame.
Note:
-In the conclusion, when the compound is passed through the Bunsen burner, they impart colored flames. In this question, violet color is imparted by the $KCl$ compound from the Bunsen burner.
-Bunsen burner produces hot, non – luminous flame.
Complete step by step answer:
-Bunsen burner is used in the laboratory that produces single open gas flames. It is used for combustion and heating. The gas can be liquefied petroleum, for example, butane and propane, or it can be natural gas, which is mainly methane.
-When $NaCl$ is passed through this flame, it imparts yellow colouration to the Bunsen burner non – luminous flame. Therefore, option (A) is incorrect.
-When $BaC{{l}_{2}}$ is passed through this flame, it imparts green colouration to the Bunsen burner non – luminous flame. Therefore, option (B) is also incorrect.
-When $CaC{{l}_{2}}$ is passed through this flame, it imparts orange colouration to the Bunsen burner non – luminous flame. Therefore, option (C) is also incorrect.
-When $KCl$ is passed through this flame, it imparts violet colouration to the Bunsen burner non – luminous flame. Therefore, option (D) is correct.
-Hence, $KCl$ is the one that imparts violet colouration to the Bunsen burner non-luminous flame.
So, the correct option is (D) $KCl$ .
Additional information:
In the laboratory, these burners are attached to the house supply of gas by rubber tube. When the jet is opened, gas flows to the burner base. The amount of gas entering into the tube is regulated by needle value at the base of the burner.
Air flows in the burner tube controls the flame temperature. If the air is less, then it produces cooler flame and if the air is more, it produces a hotter flame.
Note:
-In the conclusion, when the compound is passed through the Bunsen burner, they impart colored flames. In this question, violet color is imparted by the $KCl$ compound from the Bunsen burner.
-Bunsen burner produces hot, non – luminous flame.
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