Question # 1

Carbon atom holding halogen in aryl halides is

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Sp²-hybridesed

Sp³-hybridesed

Sp-hybridesed

Sp³d -hybridesed

Which of the following cannot be produced by acidic dehydration of alcohols?

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Ethers

Aldehyde

Alkyl Hydrogen sulphate

Alkene

Sodium thiosulfate is used in photography because of its

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Oxidizing behaviour

Reducing behaviour

Complexing behaviour

Photochemical behaviour

Octane number can be changed by

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Isomerisation

Alkylation

Cyclisation

All of these

1-Chloropropane has two isomers It is an example of

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Chain isomerism

Position isomerism

Functional group isomerism

Metamerism

The treatment of benzene with isobutene in the presence of sulphuric acid give

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Isobutyl benzene

Tert-Butyl benzene

n-Butyl benzene

no reaction

When KCIO₃ is heated it decomposes into KCI and O₂ if some MnO₂ is added the reaction goes much faster because

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MnO₂ decomposes to give O₂

MnO₂ provides heat by reacting

Better contact is provided by MnO₂

MnO₂ acts as a catalyst

2 g oxygen contains number of atoms equal to that in

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0.5 g of hydrogen

4 g of sulphur

7 g of nitrogen

2.3 g of sodium

Magnesium keeps on burning in

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N₂

CO₂

N₂O

N₂ as well as CO₂

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NAT I Medical Chemistry MCQs With Answers

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