organic chemistry Questions

Statement I: The acidic strength of monosubstituted nitrophenol is higher than phenol because of electron withdrawing nitro group.Statement II: $o$ -nitrophenol, $m$ -nitrophenol and $p$ -nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring.

Statement I: Primary aliphatic amines react with ${\text{HNO}}_2$ to give unstable diazonium salts.Statement II: Primary aromatic amines react with ${\text{HNO}}_2$ to form diazonium salts which are stable even above $300\text{K}$.

$$\text{RMgX}+{\text{CO}}_2\stackrel{\text{dry ether}}{\to }Y\stackrel{{\text{H}}_3{\text{O}}^{+}}{\to }\text{RCOOH}$$
What is $Y$ in the above reaction?

The Kjeldahl's method for the estimation of nitrogen can be used to estimate the amount of nitrogen in which one of the following compounds?
(1)

Which compound amongst the following is not an aromatic compound?
(1)

Which of the following sequence of reactions is suitable to synthesize chlorobenzene?

Statement I: The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable molecular masses because of weak molecular association in aldehydes and ketones due to dipole - dipole interactions.Statement II: The boiling points of aldehydes and ketones are lower than the alcohols of similar molecular masses due to the absence of H-bonding.

Match List - I with List- II:| List-I (Products formed) | List-II (Reaction of carbonyl compound with) || :--- | :--- || (a) Cyanohydrin | (i) ${\text{NH}}_2\text{OH}$ || (b) Acetal | (ii) ${\text{RNH}}_2$ || (c) Schiff’s base | (iii) alcohol || (d) Oxime | (iv) $\text{HCN}$ |

The incorrect statement regarding chirality is:

Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute $\text{NaOH}$ followed by heating?

The correct IUPAC name of the following compound is:

Compound $X$ on reaction with ${\text{O}}_3$ followed by ${\text{Zn/H}}_2\text{O}$ gives formaldehyde and 2-methyl propanal as products. The compound $X$ is:

Statement I: In Lucas test, primary, secondary and tertiary alcohols are distinguished on the basis of their reactivity with conc. $\text{HCl}+{\text{ZnCl}}_2$, known as Lucas Reagent.Statement II: Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas Reagent.

The product formed from the following reaction sequence is: