1.

Which of the following imparts green/apple green colour to the Bunsen flame ?

Answer»

Calcium CHLORIDE
VOLATILE boron trifluoride
Barium chloride
Ethyl borate

Solution :`BF_(3)` colour the flame green , `B(OC_(2)H_(5))_(3)` burns with green edged flame , Barium chloride (volatile) gives apple green colour to flame.


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