Question # 1

Chlorination of toluene in the presence of light and heat followed by treatment with aqueous NaOH gives.

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o - creaol

p - creaol

2,4 -dihydroxy toluene

Benzoic acid

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

Vitamin which contains cobalt is.

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Vitamin B1

Vitamin B2

Vitamin B6

Vitamin B12

Combination of a -amino acid through which linkages results result in formation of protein

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Ester linkage

Glycosidic linkage

Lactum linkage

Peptide linkage

a-terpioneol is obtained on hydration of which of the following with dilute H2SO4.

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Citral

Myrcene

Linalool

Limonene

Vitamin D1 is chemically known as

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Ergocalciferol

Tocopherol

Aserphthol

Phylloquinone

The IUPAC name of HOCCH2CH2CH2COOH is

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4- formylbutanoic acid

5- formylpentanoic acid

4- carboxybutanal

5- carboxypentanal

The dye obtained from madder root

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Indogotin

Indanthrene

Alizarin

Acriflavin

The base which in not present in DNA is

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Adenine

Guanine

Thymine

Cytosine

For a compound to act as a dye it must have

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A suitable colour

Ability to fix to fibre

Both A and B

None of these

All steroids on heating wish solenium give

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phenanthrene

Cholesterol

Diels hydrocarbon

Isoprene

Sanger's reagent is

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Carbobenzyloxy chlride

Dimethyl amino sulphonyl chloride

I-Fluoro -2,4-dinitrobnzene

2,4- Dinitrophenyl hydrazine

In which polymer the strength of inter molecular forces is maximum

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Elastomers

Thermoplastic

Fibre

Cross linked polymer

The equation which relates the reaction rates and equilibrium constants of many reactions is known as.

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Taft equation

Hammett equation

Differential equation

Linear equation

a- pinene hydrochloride on warming rdarranges to form bornyl chloride.The rearrangement is known as.

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Pinacol pinacolone

Hofinann

Wager Mecrwein

Wolff

Which of the following statements are correct for Linear polymers.

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Linear polymers may be condensation as well as addition polymers

Structure is well packed in nature

Linear polymers have higher density higher melting point and higher tensile strength

All are correct

The addition of HCl in the presence of poroxule does not follow anti Markovnikov's rule because.

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HCl bond is too strong to be broken homolytically

Cl atom is not reative enough to add on to a double bond

Cl combines with H to give back HCl

HCl is a reducing agent.

Arrangement of peptide chains of protein in spec to form helix stucture is referred to as.

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Primary structure

Secondary structure

Tertiary structure

Quaternary structure

When FeSO4 is added in the sodium extract the compound formed is.

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Only Na4[Fe (CN)6]

Only Fe (OH)2

Only Na2So4

Mixture of all these

Which of the following is most acidic.

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Phenol

p-nitrophenol

o-Nitrophenol

m-Nitrophenol

Beillstein test is used for.

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Cl

N2

CO2

Na

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