Which of the following statements is false :-

Question:

Which of the following statements is false :- 

  1. $\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}$ has a $\mathrm{Cr}-\mathrm{O}-\mathrm{Cr}$ bond

  2. $\mathrm{CrO}_{4}^{2-}$ is tetrahedral in shape

  3. $\mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$ is a primary standard in volumetry

  4. $\mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$ is less soluble than $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$


Correct Option: , 4

Solution:

Solution Not Required

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