MCQ
Strongest conjugate base is
- A$C{l^ - }$
- B$B{r^ - }$
- ✓${F^ - }$
- D${I^ - }$
${H^ + } + {F^ - } \to HF$
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$(i)$ $\left[ M ( NCS )_{6}\right]^{(-6+ n )}$
$(ii)$ $\left[ MF _{6}\right]^{(-6+ n )}$
$(iii)$ $\left[ M \left( NH _{3}\right)_{6}\right]^{ n ^{+}}$
Assertion $A:$ A mixture contains benzoic acid and napthalene. The pure benzoic acid can be separated out by the use of benzene.
Reason $R:$ Benzoic acid is soluble in hot water.
In the light of the above statements, choose the most appropriate answer from the options given below.