B.PHARM 3 rd SEM Lateral entry

Molecule must have _____ π electrons to be

aromatic compound

• 2n + 2

• 6n + 2

• 4n + 2

• 8n + 2

Electrophiles are

• rich in electrons

• neutral

• more affinity towards nucleus

• less affinity towards nucleus

Reimer Tiemann reaction is the charactersistic reaction of

• Carboxylic acid

• Phenol

• Amine

• Esters

In mechanism of electrophilic aromaticsubstitution reaction, intermediate formed is

• CARBOCATION

• NEUTRAL

• CARBOANION

• BASIC

Electron releasing group in electrophilic aromatic substitution reaction

• STABILIZES THE CARBOCATION

• DESTABILIZES THE CARBOCATION

• DO NOT HAVE ANY EFFECT

• DEACTIVATE THE RING

Which of the following is the simplest member of organic compounds?

• Formic acid

• Methane

• Methanol

• Formaldehyde

Hydrocarbons are organic compounds with element _______

• CARBON

• CARBON AND HYDROGEN

• OXYGEN

• HYDROGEN

Which of the following is not a class of organic compounds?

• ELECTRO COMPOUNDS

• NITRO COMPOUNDS

• CARBONYL COMPOUNDS

• AMIDES

Which of the following does not come under the organic addition reaction?

• HALOGENATION

• HYDROHALOGENATION

• HYDRATION

• DEHYDRATION

Hydroxybenzene also called as

• RESORCINOL

• CRESOL

• QUINOL

• PHENOL