Redox Reactions And Electrochemistry Ques 375

Question: When $ K_2Cr_2O_7 $ is converted to $ K_2CrO_4, $ the change in the oxidation state of chromium is [NCERT 1981]

Options:

A) 0

B) 6

C) 4

D) 3

Show Answer

Answer:

Correct Answer: A

Solution:

$ \overset{+6}{\mathop{K_2Cr_2O_7}},\to \overset{+6}{\mathop{K_2CrO_4}}, $ .In this reaction no change in oxidation state of chromium.



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक