K_(2)HgI_(4) is 50% ionised in aqueous solution. Which of following ar – InterviewSolution

1.	K_(2)HgI_(4) is 50% ionised in aqueous solution. Which of following are correct ?
Answer» n = 7 n = 3 i = 2 i = 4 Solution :EXPLANATION : `K_(2)HgI_(4)RARR 2K^(+)+HgI_(4)^(2-)rArr n=3` `alpha=(i-1)/(n-1),0.5=(i-1)/(3-1)rArr i=2` `therefore` (b) and (c ) are correct while (a) and (d) are not correct.

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