Question # 1

The IUPAC name of HOCCH2CH2CH2COOH is

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4- formylbutanoic acid

5- formylpentanoic acid

4- carboxybutanal

5- carboxypentanal

What type of inter molecular force present in nylon-66^o

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Vander wall

Hydrogen bond

Dipole -dipole interactions

Sulphide linkage

Which of the following case of acid or base strength is not explained by inductive effect.

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Formic acid> acetic acid

Dimethyl amine > trimethyl amine

Dimethyl amine > methyl amine

Chloroacetic acid > acetic acid

Which of the following is not a characteristics of terpenoids.

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They are pleasant smelling liquids

They are steam volatile

They are nitrogenous bases

they are insoluble in water

Monomer of Nylon -6 is

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Adipic acid

Hexamethylenediamine

Caprolactam

All of these

Albumin is classified as

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Simple protein

Conjugated protein

Lipoprotein

Derived protein

Which of the following is the major process when neopentyl bromide is dehydrogenate with alcoholic potash.

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2- methyl -1- butene

2- methyl- 1- butene

2,3 -dimethyl butene

2- butene

Sterols are steroids having the functional gruup.

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Ketonic

Al;coholic

Phenolic

Aldehydic

Which of the following dyes belongs to the group of acridine dyes.

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Acriflavin

Alizarin

Indigotin

Cyanine

The reaction of toluene with chlorine in the presence of light gives.

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Benzoyl chloride

Benzyl chloride

m-chlorotoluene

Mixture of 0 and p -chlorotoluene

An example of acrylic monoterpenoid is

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Dipentene

Myocene

a- terpineol

Limonene

Which of the following is not obtained when Br2 is added to ethylene in the presence of aqueous NaCl solution.

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Br CH2CH2Br

Br CH2CH2Cl

ClCH2 CH2Cl

ClCH2CH2Cl

Enantiomers have which of the following characteristics.

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Rotate ordinary light

Have the same melting point

Are superimposable mirror images

React with optically active molecule at the same rate

What is the possible number of optical isomers for a compound contained 2 dissimilar asymmetric carbon atoms.

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2

4

6

8

Which of the following is used to make non-stick material.

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Vinyl cyanide

Tetrafluoroethene

Vinyl chloride

Styrene

Oxytocin, a pituitary hormone to

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Amino acid

Polypeptide

Protein

Conjugated protein

Which of the following compounds cannot be a monomer.

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CH3-CHOOH -CH2OH

NH2 -CH2-NH2

CH3-CH2-NH3

NH2-CH2-CH-CH2 -NH2

CH3

An example of acyclic polytropenoid is

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Myrcone

Buna -S

Synthetic rubber

Natural rubber

Eosin dye belongs to the group of dyes known as.

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Nitroso syes

Triphenylmethane dyes

Diphenylmethane dyes

Phthalein dyes

Select the major product obtained from the addition of HBr to I -Methyl cyclohexene

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1-bromo -2- methyl cyclohexane

6- bromo-i- methyl cyclohex -i- ene

3- bromo -1- methyl cyclohex - 1- ene

I-bromo -I- methyl cyclohexane

Which one of the following is natural polymer.

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Starch

Nylon-6

Neoprene

Buna-S, SBR

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