Choose the incorrect statement.
Cyclic $\mathrm{C}_4 \mathrm{H}_7 \mathrm{OH}$ exists as four structural isomers
p- Nitrophenol is more acidic than p- Cresol
Relative ease of dehydration of alcohols on heating with a protic acid is Primary $>$ Secondary $>$ Tertiary
Reaction of alcohols with anhydrides is carried out in the presence of small amounts of Conc. $\mathrm{H}_2 \mathrm{SO}_4$ to remove the water formed
When 1 mole of benzene is mixed with 1 mole of toluene, the vapours will contain
Higher percentage of benzene
Equal mass of benzene and toluene since it is an ideal solution
Higher percentage of toluene
Equal number of moles of benzene and toluene since it is an ideal solution
$$ \begin{aligned} &\text { What is the major product }\left[\mathrm{P}_3\right] \text { formed when } n \text { - Hexane undergoes the given series of reactions: }\\ &\begin{aligned} \text { n-Hexane } & \frac{\mathrm{V}_2 \mathrm{O}_5}{20 \mathrm{~atm}, 773 \mathrm{k}}\left[\mathrm{P}_1\right] \\ {\left[\mathrm{P}_1\right] } & \xrightarrow[\triangle]{\mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl}, \text { Anhyd.AlCl }}\left[\mathrm{P}_2\right] \\ {\left[\mathrm{P}_2\right] } & \xrightarrow[333 \mathrm{~K}]{\text { Conc. } \mathrm{HNO}_3+\mathrm{H}_2 \mathrm{SO}_4}\left[\mathrm{P}_3\right] \text { Major product } \end{aligned} \end{aligned} $$




Pick out the correct option
Assertion(A): Mercury is not considered as a transition element
Reason (R): Mercury is a liquid
A is false but R is true
Both $A$ and $R$ are true but $R$ is the correct explanation of $A$
$A$ is true but $R$ is false
Both $A$ and $R$ are true, $R$ is not the correct explanation of $A$
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