1.

Which of the followingstatementsis not true ?

Answer»

on passing` H_(2)S` through acidified , ` K_(2)Cr_(2)O_(7)`solution , a milky colour is observed.
`Na_(2)Cr_(2)O_(7) ` is preferredover ` K_(2)Cr_(2)O_(7)` in volumetric analysis
`K_(2)Cr_(2)O_(7)` solutionacidicmedium is orange in colour
` K_(2)Cr_(2)O_(7)`solutionbecomesyellow on INCREASINGTHE `P^(H)`beyond 7

Answer :B


Discussion

No Comment Found