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NAT I Medical Chemistry MCQs With Answers

Question # 1

Inter molecular forces in solid hydrogen are

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Covalent forces

Van der Waal forces or London dispersion force

Hydrogen bonds

All of these

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Question # 2

Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBH₄ or LiAIH₄?

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1-Propanol

2-Propanol

2-Methyl-2-propanol

Ethanol

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Question # 3

In which molecule carbon atom is sp² hybridized

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CH₄

C₂H₄

C₂H₂

None of the above

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Question # 4

Which of the following metal exhibits more than one oxidation?

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Question # 5

Which of the following statement regarding catalyst is not true?

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A catalyst remains unchanged in composition and quantity at the end of the reaction

A catalyst can initiate a reaction

A catalyst dose not alter the equilibrium in a reversible reaction

Catalysts are sometimes very specific in respect of reaction

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Question # 6

The structure of XeF₆

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Distorted octahedral

Pyramidal

Tetrahedral

None of the above

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Question # 7

Bell metal is an alloy of

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Cu,Zn,and Sn

Cu,Zn and Ni

Cu and Zn

Cu and Sn

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Question # 8

All the naturally occurring processes proceed spontaneously in a direction which lead to

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Decrease of entropy

Increase of enthalpy

Increase of free energy

Decrease of free energy

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Question # 9

Which of the following has greatest reducing power?

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Hbr

HCI

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