A mixture of benzaldehyde and formaldehyde when treated with 50% NaOH yields

• sodium benzoate and sodium formate

• sodium formate and benzyl alcohol

• sodium benzoate and methyl alcohol

• benzyl alcohol and methyl alcohol

The correct order of reactivity of aldehydes and ketones towards hydrogen cyanide is

• CH₃COCH₃ > CH₃CHO > HCHO

• CH₃COCH₃ > HCHO > CH₃CHO

• CH₃CHO > CH₃COCH₃ > HCHO

• HCHO > CH₃CHO > CH₃COCH₃

The acid, which contains both -OH and -COOH groups is

• phthalic acid

• adipic acid

• glutaric acid

• salicylic acid

Butylated hydroxy anisole is a/an

• antioxidant

• cleansing agent

• disinfectant

• antihistamine

Nitration of which among the following compounds yields cyclonite?

• Formaldehyde

• Benzaldehyde

• Urotropine

• Acetaldehyde ammonia

Aldehyde or ketones when treated with C₆H₅ - NH - NH₂, the product formed is

• semicarbazone

• phenlhydrazone

• hydrazone

• oxime

137.

Which of the following in Baeyer's reagent?

• Alkaline KMnO₄

• Acidic K₂Cr₂O₇

• Alkaline Na₂Cr₂O₇

• MnO₂

The correct increasing order of the acidic strength of acids, butyric acid (I), 2-chlorobutyric acid (II), 3-chlorobutyric acid (III) and 2, 2-dichlorobutyric acid (IV) is 

• I < II < III < IV

• III < II < IV < I

• I < III < II < IV

• III < I < II < IV

The condensation reaction between one equivalent of acetone and two equivalents of benzaldehyde in presence of dilute alkali leads to the formation of

• Benzalacetophenone

• Benzylideneacetone

• Dibenzylideneacetone

• Benzoic acid and acetic acid

Which one of the following involves nucleophilic addition?

• Kolbe's reaction of phenol

• Williamson synthesis of ethers

• Aldol formation from ethanol

• Reimer-Tiemann reaction of phenol