NMDCAT Practice test + Notes Chapter #10NMDCAT Practice Test Chapter no 10Attempt your practice test and evaluate the preparation level. This Chapter includes Carboxylic acid + Macromolecule 20 Dear Students 25 minutes are given to solve 30 MCQs.Your result will be displayed at the end of the quiz.Created on September 02, 2022 By Umair Ali khan NMCAT Chemistry Chapter 10 Practice Test 1 / 301) If amyl acetate is added to a liquid, it will develop a flavour as. a) Banana b) Jasmine c) Pineapple d) Apricot 2 / 302) When acetic acid reacts with 23g Na, ________ mole of H₂ gas will be produced. a) One b) Two c) Four d) Half 3 / 303) Acidic hydrolysis of ethanenitrile yields a compound "X". When "X" is treated with HI/P it gives. a) Acetaldehyde b) Ethane c) Ethanol d) Acetic acid 4 / 304) Lower monocarboxylic acids are soluble in water due to a) Hydrogen bonding b) Chemical reaction c) London forces d) Dipole-dipole interaction 5 / 305) Which one doesn't convert carboxylic acid into acid halide a) Cl₂ b) PCI<sub>5</sub> c) SOCI₂ d) PCl<sub>3</sub> 6 / 306) The correct name of a) Acetamide b) Ethanamide c) Ethanal amine d) A and B 7 / 307) Proteins are macromolecules that mostly contain a) single type of monomer b) Single type of amino-acid c) Single type of C-C bonds d) Single type of chain length between consecutive peptide bonds 8 / 308) The helical structure of a protein is stabilized by a) Ether bond b) Peptide bonds c) Dipeptide d) Hydrogen bonds 9 / 309) Which one of the following elements is not present in all proteins? a) Carbon b) Hydrogen c) Nitrogen d) Sulphur 10 / 3010) Denaturation of protein is caused by a) Change the temperature b) Change the pH c) Change the heat d) All of these 11 / 3011) Which of the following proteins act as carriers of O2 a) Collagen b) Hemoglobin c) Albumins d) Both a and c 12 / 3012) Collagen and albumin are a) Derived proteins b) Simple proteins c) Compound protein d) Polysaccharide 13 / 3013) Which of the following is correct about enzymes? a) It decreases the activation energy b) It increases the activation energy c) It changes the equilibrium constant d) None of these 14 / 3014) The activity of an enzyme is best at or around the temperature. a) 37°C b) 40°C c) 50°C d) 25°C 15 / 3015) The activator of a glucose-6-phosphatase enzyme is a) Fe+2 b) Zn+2 c) Mg+2 d) Ba+2 16 / 3016) The main structural feature of protein is a) Ester linkage b) Peptide linkage c) Ether linkages d) Glycosylic linkage 17 / 3017) All of the following are dicarboxylic acids except a) Phthalic acid b) Malonic acid c) Oxalic acid d) Valeric acid 18 / 3018) Alkane nitrile is converted into carboxylic acid by passing through a) Ammonium acetate b) Iso-butyrate c) Acid amide d) Alkyl amine 19 / 3019) On strong heating, ammonium acetate gives a) Urea b) Formamide c) Acetamide d) Methyl cyanide 20 / 3020) Which compound gives CO₂ with NaHCO3? a) Hexanol b) Phenol + acetic acid c) n-butanol d) Acetic acid 21 / 3021) The strongest acid is a) CH3COOH b) CH3CH2COOH c) CI-CH2COOH d) Br-CH2COOH 22 / 3022) Which of the following is an electrophilic substitution reaction of a carboxylic acid? a) Acyl formation b) Salt formation c) Ester formation d) Acid amide formation 23 / 3023) What product is formed when acetic acid reacts with P₂O5? a) Acetyl chloride b) Trichloro acetic acid c) Acetic anhydride d) Dichloro acetic acid 24 / 3024) X + CH3COOH → Ester + H2O,X is a) Alcohol b) Pyridine c) Alkane d) Acid 25 / 3025) The general formula CnH2nO2 could be for open chain a) Carboxylic acid b) Diols c) Diketones d) Dialdehyde 26 / 3026) Which of the following carboxylic acid will be the product of hydrolysis of ethyl ethanoate a) Propanoic acid b) Butanoic acid c) Ethanoic acid d) Methanoic acid 27 / 3027) Which of the following carboxylic acid has the lowest pka value a) Formic acid b) Acetic acid c) Propionic acid d) Butyric acid 28 / 3028) The common name of propane-1, 3-dioic acid is a) Oxalic acid b) Aromatic acid c) Malonic acid d) Fumaric acid 29 / 3029) An acid with an unpleasant smell a) Formic acid b) Acetic acid c) Propanoic acid d) Butyric acid 30 / 3030) Which of the following is not an ester a) Amyl acetate b) Sodium butyrate c) Isobutyl formate d) Octyl acetate Write your Name and see your result.My WhatsApp no is +923099164667 for your query. Your score isThe average score is 69%Share to your social media, or take a screenshot Facebook 0% Restart quiz Exit Send feedback NMDCAT PreparationGET IN TOUCHVisit YouTube ChannelSubscribePages: 1 2 3 4 5 6 7 8 9 10 11 Tags: Carboxylic acid and macromolecules pracice test, nmdcat practice test chapter 10, nmdcat prep, Online NMDCAT PreparationPost author:Umair Ali khanPost published:September 2, 2022Post category:Latest Posts / MDCAT Preparation / Online MCQs (Quiz) Please Share This Useful Info Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Read more articles Previous PostNMDCAT Practice test + Notes Chapter #9 Next PostIUPAC Nomenclature of Organic Compounds Notes for FSc You Might Also Like Online NMDCAT Practice test Chapter # 8August 29, 2022 Important Chemistry Notes for Solutions Class 11, Chapter 9September 26, 2023 How to prepare Class 12 S- Block elements (Alkali and alkaline earth metals)November 8, 2021Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. 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