The IUPAC name of the compound

• 3-keto-2-methylhex-4-enal

• 5-formylhex-2-en-3-one

• 5-methyl-4-oxohex-2-en-5-al

• 5-methyl-4-oxohex-2-en-5-al

Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their

• Formation of intramolecular H-bonding

• Formation of intermolecular H-bonding

• Formation of intermolecular H-bonding

• More extensive association of carboxylic acid via Vander Waals force of attraction

453.

Compound A, C₈H₁₀O, is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with characteristic smell. A and Y are respectively

• 

• 

• 

• 

The compound (A) is

• C₂H₅Cl

• C₂H₅ONa

• CH₂N₂

• CH₃ONa

The product of acid hydrolysis of (P) and (Q) can be distinguished by

• Lucas reagent

• 2,4-DNP

• Fehling's solution

• NaHSO₃

Clemmensen reaction of the ketone is carried out in the presence of

• LiAlH₄

• Zn-Hg with HCl

• glycol with KOH

• H₂ with Pt as a catalyst

Cannizzaro reaction is not shown by

• 

• 

• CH₃CHO

• HCHO

Which of the following is crossed aldol product in the reaction?

CH₃CHO + CH₃CH₂CHO  'P'

Consider the following compounds

Cl₃C - COOH Br₃C - COOH I₃C - COOH

         (I)                   (II)          (III)

The decreasing order of decarboxylation is

• I > II > III

• III > II > I

• III > I > II

• II > I > III

Sugars are seperated by using the solvent BAW (n-butanol acetic acid -HO) and detected by spraying the plate with

• aniline hydrogen phthalate solution

• hydrogen peroxide solution

• crystals of I²

• cupric oxide