Nomenclature of Organic Compound Mock Test

MOCK TEST SECTION - I : STRAIGHT OBJECTIVE TYPE Q.1 Q.2 Q.3 How many carbons are in simplest alkyne having two side chains? (A) 5 (B) 6 (C) 7 (D) 8 The commercial name of trichloroethene is: (A) Westron (B) Perclene (C) Westrosol (D) Orlone The compound which has one isopropyl group is: (A) 2,2,3,3-Tetramethyl pentane (C) 2,2,3-Trimethyl pentane (B) 2,2-Dimethyl pentane (D) 2-Methyl pentane Q.4 and Number of secondary carbon atoms present in the above compounds are respectively: (A) 6,4,5 (B) 4,5,6 (C) 5,4,6 (D) 6,2,1 Q.5 A substance containing an equal number of primary, secondary and tertiary carbon atoms is: (A) Mesityl Oxide (B) Mesitylene (C) Maleic acid (D) Malonic acid Q.6 Which of the following is a heterocyclic compound Q.7 (A) HC  CH | HC  CH (C) HC  CH | HC  CH S Q.9 HC  COOH | HC  COOH (D) HC  CH | HC  CH CH 3 CH 3 | | The correct IUPAC name of the compound CH 3  CH 2  C  C  CH  C  CH 2  CH 2  CH 3 : | C2H5 (A) 5-Ethyl-3, 6-dimethyl non-3-ene (C) 4-Methyl-5, 7-diethyl oct-2-ene Q.8 (B) IUPAC name of (B) 5-Ethyl-4, 7-dimethyl non-3-ene (D) 2,4-Ethyl-5-methyl oct-2-ene is: (A) 5-Methyl hexanol (C) 2-Methyl hex-3-enol (B) 2-Methyl hexanol (D) 4-Methyl pent-2-enol The IUPAC name of acetyl acetone is: (A) Pentane-2,5- dione (B) Pentane -2,4-dione (C) Hexane-2,4-dione (D)Butane-2,4-dione NOMENCLATURE OF ORGANIC COMPOUND Q.10 Q.11 When vinyl & allyl are joined each other, we get (A) Conjugated alkadiene (C) Isolated alkadiene (B) cumulative alkadiene (D) Allenes The correct IUPAC name of CH 3  CH 2  C  COOH is: || CH 2 Q.12 Q.13 Q.14 Q.15 (A) 2-Methyl butanoic acid (C) 2-Carboxybutene (B) 2-Ethylprop-2-enoic acid (D) None of the above All the following IUPAC names are correct except: (A) 1-Chloro-1-ethoxy propane (C) 1-Ethoxy-2-propanol (B) 1-Amino-1-ethoxypropane (D) 1-Ethoxy-1-propanamine C3H6Br2 can shows: (A) Two gem dibromide (C) Two tert. dibromo alkane (B) Three vic dibromide (D) Two sec. dibromo alkane The IUPAC name of (C2H5)2 NCH CH.COOH is: 2 | Cl (A) 2-Chloro-4-N-ethylpentanoic acid (C) 2-Chloro-2-oxo diethylamine (B) 2-Chloro-3-(N,N-diethyl amino)-propanoic acid (D) 2-Chloro-2-carboxy-N-ethyl ethane Ph | The IUPAC name of the compound is CH 3  CH  CH  NH 2 | CH 3 (A) 1-Amino-1-phenyl-2-methyl propane (C) 2-Methyl-1-amino-1-phenyl propane Q.16 (B) 2-Methyl-1-phenyl propan-1-amine (D) 1-Isopropyl-1-phenyl methyl amine Which of the following compound is wrongly named? (A) CH 3CH 2CH 2 CHCOOH | Cl ; 2-Chloro pentanoic acid (B) CH 3C  CCHCOOH ; 2-Methyl hex-3-enoic acid (C) CH3CH2CH=CHCOCH3 ; Hex-3-en-2-one (D) CH  CHCH CH CHO 3 2 2 ; 4-Methyl pentanal | CH3 | CH3 Q.17 IUPAC name of: CH 3  C  CH  C  OCH 3 || | || O C O O | CH 3 (A) Methyl 2,2-bis(1-oxoethyl)ethanoate (C) Methyl 2-Ethanoyl-3-oxobutanoate (B) 2,2 -Bis(1-oxoethyl)-1-methoxy ethanone (D) Methyl 2-acetoxy-3-oxo butanoate Q.18 HO  C  O CH 3 | | The IUPAC name of compound CH 3  C  C — C  H is: | | NH 2 Cl (A) 2-Amino-3-chloro-2-methylpent-2-enoic acid (B) 3-Amino-4-chloro-2-methylpent-2-enoic acid (C) 4-Amino-3-chloro-2-methylpent-2-enoic acid (D) All of the above Q.19 The IUPAC name of compound (A) 1,2,3-Tricarboxypropan-2-ol (B) 2-Hydroxy propane-1,2,3- tricarboxylic acid (C) 3-Hydroxy-3-carboxypentane-1,5-dioic acid (D) None Q.20 The IUPAC name of is (A) 3-Methyl cyclobut-1-ene-2-ol (C) 4-Methyl cyclobut-1-ene-3-ol Q.21 (B) 4-Methyl cyclobut-2-ene-1-ol (D) 2-Methyl cyclobut-3-ene-1-ol The IUPAC name of compound H 3COOC  CH  COOCH3 | CH 2OH (A) 2-(Hydroxy methyl) methyl propanedioate (B) Methyl-2-(hydroxy methyl) propanedioate (C) 2-(Hydroxy methyl) dimethyl propanedioate (D) None of these Q.22 The suffix of the principal group, the prefixes for the other groups and the name of the parent in the structure HO  CH 2  CH  CH  C  CH 2  C  C  OH | | || | | CH3 Cl O O (A) -oic acid, chloro, hydroxy, oxo, methyl, hept-4-ene (B) -oic acid, chloro, hydroxy, methyl, oxo, hept-4-ene (C) -one, carboxy, chloro. methyl, hydroxy, hept-4-ene (D) -one, carboxy, chloro, methyl, hydroxy, hept-4-ene Q.23 The IUPAC name of -ethoxy--hydroxy propionic acid (trivial name) is: (A) 1,2-Dihydroxy-1-oxo-3-ethoxy propane (B) 1-Carboxy-2-ethoxy ethanol (C) 3-Ethoxy-2-hydroxy propanoic acid (D) All above NOMENCLATURE OF ORGANIC COMPOUND SECTION - II : MULTIPLE CORRECT ANSWER TYPE Q.24 Q.25 The pair of compounds having the same general formula. (A) and (B) (C) and (D) and and H—CC—CC—H Which of the following is/ are incorrect IUPAC name : (A) 2-Methylbutan -3-one (B) 3-Ethenylpent-1-en-4-yne OH CH3 (C) 3-(2-Aminoethyl)-2-methylcyclohexan-1-ol CH2CH2NH2 (D) Q.26 4-Methyl-3-oxopentan-2-ol Which relationship is/are correct ? (A) & Identical Br Br Br Br (B) & H H CH3O (C) COOH H H & Functional isomer & Metamers OC2H5 C=C (D) Position isomer H H CH3 H H SECTION - III : ASSERTION AND REASON TYPE Each question has 5 choices (A), (B), (C), (D) and (E) out of which ONLY ONE is correct. (A) Statement-1 is true, Statement-2 is true and Statement-2 is correct explanation for Statement-1. (B) Statement-1 is true, Statement-2 is true and Statement-2 is not correct explanation for Statement-1. (C) Statement-1 is true, Statement-2 is false. (D) Statement-1 is false, Statement-2 is true. (E) Both Statements are false. Q.27 Statement-1 : The IUPAC name of citric acid is 2-hydroxy propane 1,2,3,- tricarboxylic acid COOH HOOC COOH OH Statement-2 : When an unbranched carbon chain is directly linked to more than two like functional groups, then it is named as derivative of parent alkane which does not include the C-atoms of the functional groups. Q.28 Statement-1 : The IUPAC name for the compound, OHC–CH2–CH2–COOH is butane -3-formyl-1-oic acid Statement-2 : COOH is considered as substituent group while CHO is considered as the principal functional group. Q.29 Statement-1 : The IUPAC name for the compound C6H5 COOCH2CH2COOH is 3-benzoyloxypropanoic acid. Statement-2 : C6H5CH2O is called benzoyloxy group Q.30 Statement-1 : Pentane and 2-methyl pentane are homologues Statement-2 : Pentane is straight chain alkane, while 2-methyl pentane is a branched chain alkane. Q.31 Statement-1 : Butane and 2-methyl butane are chain isomers Statement-2 : Butane is a straight chain alkane while 2-methyl butane is a branched chain alkane. Q.32 Statement-1 : Neopentane is chain isomer of n-pentane. Statement-2 : Molecular formula of neopentane and n-pentane is C5H12. SECTION - IV : COMPREHENSION TYPE Comprehension A saturated hydrocarbon (P) has six membered ring. Three alkyl groups attached to the ring alternate to each other. (i) First group has only two carbon atoms. (ii) Second group has four carbon atoms and its all hydrogen atoms are chemically same. (iii) Third group has total five carbon atoms. Its main chain contains three carbon atoms with ethyl as a substituent. Q.33 Q.34 Q.35 How many 3° hydrogen atoms are present in the hydrocarbon (P) ? (A) 2 (B) 3 (C) 4 (D) 5 How many 2º carbon present in the compound (P). (A) 10 (B) 12 (D) 8 (C) 6 IUPAC name of hydrocarbon (P) is (A) 1–(1–Ethylpropyl)–3–ethyl–5–(1,1–dimethylethyl)cyclohexane (B) 1–Ethyl–3–(1–ethylpropyl)–5–(1,1–dimethylethyl)cyclohexane. (C) 1–(1,1–Dimethylethyl)–3–ethyl–5–(1–ethylpropyl)cyclohexane (D) 1–(1,1–Dimethylethyl)–3–ethyl–5–(2–ethylpropyl)cyclohexane NOMENCLATURE OF ORGANIC COMPOUND SECTION - V : MATRIX - MATCH TYPE Q.36 Column - I Column - II (A) (P) Phenanthrene (B) (Q) Anthracene (C) (R) Azulene (D) (S) Napthalene SECTION - VI : SUBJECTIVE TYPE Give the IUPAC names for each of the following : Q.37 Q.38 Q.39 Q.40 Q.41 Q.42 Q.43 Q.44 Q.45 Q.46 Q.47 O Cl || | CH 2  C  CH 2  CH  CH 3 Q.48 NOMENCLATURE OF ORGANIC COMPOUND MOCK TEST 1 8 14 21 27 33 B D B B A C 2 9 15 22 28 34 C B B B E C 37 CH 3  CH 2  CH  CH 2  CH 2  CH 2  CH 3 | CH 2  CH 2  CH 3 4-Ethyl octane 38 CH 2  C  CH 2  CH  CH 3 | | CH 3  CH  CH 3 CH 3 4 1 2 3 3 10 16 23 29 35 5 4 6 D C B C C C 7 4 11 17 24 30 36 8 5 2-Isopropyl-4-methylpentene or 4-Methyl-2-(methyl ethyl) pentene 39 Isopropylidenecyclopentane or 1-methyl ethylidene cyclopentane 40 spiro (2.5) octane 41 1 2 3 CH 2  CH  CH 2  OCH3 3-Methoxypropene 42 CH 3  C  CH 2  C  CH 3 || || O O Pentane-2,4-dione 43 1,3-cyclobutadiene 44 1-cyclohexyl-1-propanone 45 5-amino-6(1-methylpropyl) cyclo-hex-2-enol 46 Ethyl-2-oxo-cyclo pentane carboxylate 47 4-chloro-1-cyclopentyl pentane-2-one 48 1,3-diphenyl-1,4-pentadiene A 5 B 6 A 7 B 12 B 13 A C 18 B 19 B 20 A, B, D 25 A, B, D 26 A, B, C, D B 31 D 32 B A  (Q), B  (S), C  (P), D  (R) A B