MCQ
In which process does the nitrogen undergo oxidation?
- A${N_2} \to 2N{H_3}$
- B$N_2O_4 \to 2NO_2$
- C$NO_3^- \to N_2O_5$
- ✓$NO_2^- \to NO_3^-$
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Spin only magnetic moment of $Fe$ in $\left[ Fe \left( H _2 O \right)_6\right]^{3+}$ and $\left[ Fe ( CN )_6\right]^{3-}$ complexes respectively is:
Assertion $(A)$: Cis form of alkene is found to be more polar than the trans form
Reason $(R)$: Dipole moment of trans isomer of $2$-butene is zero.
In the light of the above statements, choose the correct answer from the options given below :