D-And F-Block Elements Ques 485
Question: Which of the statements is not true-
Options:
A) On passing $ H_2S $ through acidified $ K_2Cr_2O_7 $ solution, a milky colour is observed.
B) $ Na_2Cr_2O_7 $ is preferred over $ K_2Cr_2O_7 $ in volumetric analysis.
C) $ K_2Cr_2O_7 $ solution in acidic medium is orange.
D) $ K_2Cr_2O_7 $ solution becomes yellow on increasing the pH beyond 7.
Show Answer
Answer:
Correct Answer: B
Solution:
$ Na_2Cr_2O_7 $ is hygroscopic.
