MDCAT MCQs | Admissions | Results MDCAT Solved MCQs paper 2020 by Farhan gabolApril 18, 2021April 24, 2021 Part 02: MDCAT CHEMISTRY 60 MCQs Year 2020 (41 To 50 ) Part 2- Chemistry 1. Alkyl halides involving –C –X bond breakage and –C –Nu bond formation simultaneously would follow the mechanism………….. SN2 E1 SN1 E2 2. R-X on reaction with alcohol forms…………. RH ROR R-OH R-X-OH 3. IUPAC name of C6H5O ( CH3)2 is………. 3 – Methyl cyclohexanone 2,6 – Himethyl cyclohexanone 2-Methyl-3-Hexanone 4 – Methyl – 3- hexanone 4. Phenol is known as…………. Carboxylic acid Carbolic acid Carbonylic acid Carbolic acid 5. Phenol is more acidic than alcohols because of the following reason…………. Delocalization of positive charge on the carbon atom in the ring Delocalization of negative charge in the OH group Delocalization of negative charge in the ring Delocalization of positive charge on the OH group 6. The common name of the following aldehyde is…………… β – methyl – a – Chloropropionaldehyde β – chloro – a – methyl propionaldehyde α – methyl – Y – Chloropropionaldehyde β – chloro – a – methyl propionaldehyde 7. which of the following reagent is used to separate and purify carbonyl and non- carbonyl compounds? NaHSO3 BrMgCH3 H2O HCN 8. Which of the following is the strongest acid? Nitroethanoic acid Propionic acid Flouroethanoic acid Trichloroethanoic acid 9. Hydrolysis of acyl chloride results in the formation of………… Acid anhydride Carboxylic acid Amides Esters 10. The exact reactivity order for carboxylic acid derivatives is……… Acychloride> anhydride > Ester Anhydride >acylchloride> ester Amide >acylchloride> ester Ester > anhydride >acylchloride Loading … Pages: 1 2 3 4 5 6
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Mdcat solved mcq physics
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