Question # 1

Flavour of ethyl butyrate is

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Orange

Pine apple

Banana

Apricot

Number of peptide bonds in tripeptide is

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1

2

3

4

What is effect of solubility of carboxylic acid in water by increasing their molecular masses.

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Decreases

Increase

Remain constant

Non effected

A carboxylic acid contains

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A hydroxyl group

A carboxyl group

A hydroxyl and carboxyl group

A carboxyl and an aldehydic group

Which acid is used in the manufacture of synthetic fiber

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Formic acid

Oxalic acid

Carbonic acid

Acetic acid

Ester are formed the reaction of carboxylic acid with.

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Alcohol

Ethers

Aldehydes

Alkyl halides

Which one of the following products is not formed when acetic acid reacts with PCl5

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C2H5Cl

HCl

POCl3

CH3COCl

Which one is cyclic amino acid

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Glycine

Alanine

Proline

Aspartic acid

Acetic acid is manufactured by.

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Distillation

Fermentation

Ozonolysis

Esterification

Which one of the following comp9ounds on hydrolysis will not produce a carboxylic acid.

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Alkyl halide

Alkyl Nitrite

Addition product of Grignard reagent and CO2

Ester boiled with sodium hydroxide

Acetic acid form a dimer in liquid phase because.

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Low ionization constant of acid

High solubility in water

Hydrogen bonding

Greater polarity

Banana flavour is given by the ester

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Octyl acetate

Amyl butyrate

Amyl acetate

Ethyl butyrate

What product are formed by the oxidative cleavage of 2-butene by alkaline KMnO4.

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Propionic acid and formic acid

Ethanoic acid only

Ethanal only

Water and ethanol

An ester can be prepared by the reaction of.

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Two alcohols

Alcohol and an aldehyde

An alcohol and an organic acid

an acid and a ketone

Formic acid is present in.

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Butter

Vinegar

Ant

Sunflower

Which one is neutral amino acid

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Lysine

Histidine

Glutamic acid

Valine

Acetic acid is manufactured by

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distillation

fermentation

ozonalysis

esterification

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