MCQ
Which will form lactone on treatment with $NaOH$ ?
- A$\alpha -$ Bromo acid
- B$\beta -$ Bromo acid
- C$\beta -$ Hydroxy acid
- ✓$\delta -$ Bromo acid
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$(i)$ $\left[ M ( NCS )_{6}\right]^{(-6+ n )}$
$(ii)$ $\left[ MF _{6}\right]^{(-6+ n )}$
$(iii)$ $\left[ M \left( NH _{3}\right)_{6}\right]^{ n ^{+}}$
