A mixture of benzaldehyde and formaldehyde on heating with aqueous (conc.)NaOH       solution gives

1. benzyl alcohol and sodium formate

2. sodium benzoate and methyl alcohol

3. sodium benzoate and sodium formate

4. none of these

Identify (X) in the given sequential reaction.

1. CH₃OH

2. Ethyl alcohol

3. Methyl cyanide

4. tert-Butyl alcohol

Phenolphthalein is produced on heating phthalic anhydride and conc. sulphuric acid with

1. Salicylic acid

2. Phenol

3. Phenacetin

4. Phenanthrene

The compound Y in the above sequence of reactions is:

 

1. 1-Phenylethene

2. 2-Phenyl-2-propanol

3. Acetophenone

4. Benzaldehyde

The compound A can be exclusively oxidized into ​​​B by:
 

1. NaCN, followed by hydrolysis

2. NaOI, followed by H₃O⁺

3. KMnO₄(hot), followed by hydrolysis

4. K₂Cr₂O₇, followed by H₃O⁺

X $\underset{∆}{\overset{{\mathrm{KMnO}}_4}{\leftarrow }}$$\stackrel{∆}{\to }$Y

In the above reaction, X and Y are:

1. Identical

2. Homologous

3. Structural Isomers

4. Stereoisomers

\(\xrightarrow[\left(ii\right) H^{+} / H_{2} O]{\left(i\right) NaOH / 100^{\circ}}\)

Major Product is:

1. 

2.

3.

4.

Which compound is most reactive towards nucleophilic addition?

1. CH₃CHO

2. PhCOCH₃

3. PhCOPh

4. CH₃COCH₃

The reaction

is fastest when X is

1. Cl

2. NH₂

3. OC₂H₅

4. OCOR

In a set of reaction propionic acid yielded a compound D.

CH3CH2COOH$\stackrel{{\mathrm{SOCl}}_2}{\to }$ B$\underset{∆}{\overset{N{H}_3}{\to }}$ C$\underset{{\mathrm{Br}}_2}{\overset{\mathrm{KOH}}{\to }}$
$$

The structure of D would be

1. CH₃CH₂NHCH₃

2. CH₃CH₂NH₂

3. CH₃CH₂CH₂NH₂

4. CH₃CH₂CONH₂