A greenish yellow gas reacts with an alkali metal hydroxide to form a halate which can be used in fire works and safety matches. The gas and halate respectively are

Question

A greenish yellow gas reacts with an alkali metal hydroxide to form a halate which can be used in fire works and safety matches. The gas and halate respectively are, B r 2 , K B r O 3, C l 2 , K C l O 3, I 2 , N a I O 3, C l 2 , N a C l O 3

MARKS App · Accepted Answer

The gas is Cl2 and the halate used in fire works and safety matches is K C l O 3 3 C l 2 g r e e n i s h y e l l o w g a s + 6 K O H → K C l O 3 p o t . c h l o r a t e ( H a l a t e ) + 5 K C l + 3 H 2 O As bromine is reddish liquid and I 2 is violet solid so they are ignored here.

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