MCQ
In this process product $A $ is


- ✓Fluorobenzene
- BBenzene
- C$1, 4$ -difluorobenzene
- D$1, 3$ -difluorobenzene


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Assertion $A:$ The spin only magnetic moment value for $\left[ Fe ( CN )_6\right]^{3-}$ is $1.74 BM$, whereas for $\left[ Fe \left( H _2 O \right)_6\right]^{3+}$ is $5.92\,BM$.
Reason $R :$ In both complexes, $Fe$ is present in +3 oxidation state.
In the light of the above statements, choose the correct answer from the options given below:
The number of carbon atoms present in the product $B$ is $.....$
