MCQ
Molecular formula of Retinol is:
- ✓$\mathrm{C}_{20} \mathrm{H}_{29} \mathrm{OH}$
- B$\mathrm{C}_{17} \mathrm{H}_{35} \mathrm{OH}$
- C$\mathrm{C}_{12} \mathrm{H}_{25} \mathrm{OH}$
- D$\mathrm{C}_{17} \mathrm{H}_{33} \mathrm{OH}$
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$(A)\,\,\,\,[Ni(H_2O)_5NH_3]^{2+},$
$(B)\,\,\,\,[Ni(H_2O)_4(NH_3)_2]^{2+}$ and
$(C)\,\,\,\,[Ni(H_2O)_3(NH_3)_3]^{2+}$ is