1.

Match the following: {:("Column-I","Column-II"),((P)" R.M.S",(1) (2)/(3)NKT),((Q)" PV",(2) KT ),((R)" Average K.E.",(3) sqrt((3PV)/(M))),((S)" Most probable speed" ,(4) sqrt((2RT)/(M))):}

Answer»

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

Solution :(A) Bottle (1)+ BOTLE (2)
`Pb(NO_(3))_(2) +2HCl rarr underset("(white PPT)")(PbCl_(2)darr) + 2HNO_(3)`
(B) `Pb(NO_(3))_(2)+CuSO_(4) rarr underset("(white ppt)")(PbSO_(4)darr)+Cu(NO_(3))_(2)& SO_(4)^(2-)" is "sp^(3)` hybridised
(C) Bottle (2) + Bottle (3)
`2HCl +Na_(2)CO_(3) rarr 2NaCl +H_(2)O + underset("(colourless gass)")(CO_(2)(g))`
(D) Bottle (2) + Bottle (4)
`HCl +CuSO_(4) rarr` no reaction


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