P-Block Elements Ques 127
Question: $ KI $ when heated with conc. $ H_2SO_4 $ gives
[MP PET/PMT 1988]
Options:
A) $ HI $
B) $ I_2 $
C) $ HIO_3 $
D) $ KIO_3 $
Show Answer
Answer:
Correct Answer: B
Solution:
$ KI+H_2SO_4\xrightarrow{\Delta }KHSO_4+HI $ $ H_2SO_4+2HI\to \ 2H_2O+\underset{\text{Violet vapour}}{\mathop{I_2+SO_2\uparrow }} $