The d-and f-Block Elements / d तथा f ब्लॉक के तत्व
JEE Main & Advanced
Chemistry
The d-and f-Block Elements / d तथा f ब्लॉक के तत्व
Question Bank
Compounds of Transitional Elements
question_answer
In acidic medium potassium dichromate acts as an oxidant according to the equation, \[C{{r}_{2}}O_{7}^{2-}+14{{H}^{+}}+6{{e}^{-}}\to 2C{{r}^{3+}}+7{{H}_{2}}O\]. What is the equivalent weight of \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]? (mol. Wt. = M) [MP PET/PMT 1998]
A)\[M\]
B)\[M/2\]
C)\[M/3\]
D)\[M/6\]
Correct Answer:
D
Solution :
Since it accept \[6{{e}^{-}}\] its Equivalent weight = \[\frac{M}{6}\].