1.

Match the following- During lassaigne's test the colour of the solution obtained, indicates the presence of :-{:((P)"Prussian blue colour",,(1)"Sulphur is present",),((Q)"Black colour",,(2)"Nitrogen is present",),((R )"Blood Red",,(3)"Chlorine is present",),((S)"White ppt",,(4)"Both nitrogen and sulphur are present",):}

Answer»

`{:(P,Q,R,S,),(2,1,4,3,):}`
`{:(P,Q,R,S,),(1,2,3,4,):}`
`{:(P,Q,R,S,),(4,3,2,1,):}`
`{:(P,Q,R,S,),(4,1,3,2,):}`

SOLUTION :`BCl_(3), NH_(3)rarr` Covalent BOND
`NACL, Mg F_(2) rarr`IONIC bond (non - DIRECTIONAL)


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