Given below are the four isomeric compounds ( | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The structures are: $P$ ($1$-phenylprop$-2-$en$-1-$ol), $Q$ ($3$-phenylpropanal), $R$ ($1$-phenylpropan$-2-$one), $S$ ($1$-phenylpropan$-1-$one).$

Vedclass · Accepted Answer

$A, C$ and $E$ only

Vedclass · Answer

(A) The structures are: $P$ ($1$-phenylprop$-2-$en$-1-$ol), $Q$ ($3$-phenylpropanal), $R$ ($1$-phenylpropan$-2-$one), $S$ ($1$-phenylpropan$-1-$one).$A$. $2,4-DNP$ reacts with aldehydes and ketones. $Q$ (aldehyde), $R$ (ketone), and $S$ (ketone) give the test. Statement $A$ is correct.$B$. Bayer's test is for unsaturation. Only $P$ has a double bond. Statement $B$ is incorrect.$C$. Aromatic compounds give a sooty flame. All four compounds contain a phenyl ring, so all give a sooty flame. Statement $C$ is technically correct, but we evaluate based on the options provided.$D$. $I_2/NaOH$ (Iodoform test) requires a $CH_3CO-$ group or $CH_3CH(OH)-$ group. $R$ has $CH_3CO-$ and $S$ does not. Statement $D$ is incorrect.$E$. Tollen's reagent is for aldehydes. Only $Q$ is an aldehyde. Statement $E$ is correct.Combining the correct statements $A, C, E$, the correct option is $A$.

Similar Questions

$Ph-CH(OH)-CH_3$ $\xrightarrow{PCC} A$ $\xrightarrow[(ii) H^{+}/\Delta]{(i) NH_2OH} B + C$
In the given reaction sequence,$B$ and $C$ are:

Which one of the following is the major product of the given reaction?

Benzaldehyde on heating with concentrated $NaOH$ gives:

Which of the following methods can be used to oxidize $Butan-2-one$ to $Propionic \ acid$?

Which of the following react with $NaHSO_3$?

Vedclass Test Series

Exam Paper Generator

Online Exam Module