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  4. Which of the following is not formed when H2S reacts with acidic K2Cr2O7 solution ?

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Q. Which of the following is not formed when $H_2S$ reacts with acidic $K_2Cr_2O_7$ solution ?

JEE MainJEE Main 2014The d-and f-Block Elements

Solution:

$K_{2}Cr_{2}O_{7}+H_{2}S \to Cr_{2} \left(SO_{4}\right)_{3} +S+K_{2}SO_{4}+H_{2}O$