NAT I Medical Chemistry With Answers

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NAT I Medical Chemistry

Sr. # Questions Answers Choice
1 Benzene is obtained by fractional distillation of Heavy oil Anthracene oil Middle oil Light oil
2 Which species represents the electrophile in aromatic nitrotaion? NO<sup>-</sup><sub>2</sub> +<div>NO<sub>2</sub></div> NO2 <span style="font-size: 14.44444465637207px;">NO</span><sup>-</sup><sub>3</sub>
3 Benzene + Ozone → Y. in this sequence Y is Benzene monoozonide Benzene diozonide Benzene triozonide Succinic acid
4 Most common reactions of benzene and its derivatives are Electrophilic addition reactions Electrophilic substitution reactions. Nucleophilic addition reactions Nucleophilic substitution reactions
5 The reaction/method that does not give an alkane is Catalytic hydrogenation of alkanes Wurtz reaction Hydrolysis of alkyl magnesium bromide Dehydrohalogenation of an alkyl halid.
6 Which of the following method is most appropriate for the manufacture of methane? By reduction of CH2CL2 Wurtz reaction Liquification of natural gas None of these
7 The addition of HBr is easiest with CH2 = CHCI CICH = CHCI CH3 - CH = CH2 <span style="font-size: 14.44444465637207px;">(CH3)2 C = CH2</span>
8 In Friedal-Craft's alkylation besides AICI3 the other reactants are <span style="font-size: 14.44444465637207px;">C6H6 + NH3</span> <span style="font-size: 14.44444465637207px;">C6H6 + CH4</span> <span style="font-size: 14.44444465637207px;">C6H6 + CH3CI</span> <span style="font-size: 14.44444465637207px;">C6H6 + CH3COCI</span>
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