BITSAT Chemistry Organic Chemistry Some Basic Principles and Techniques MCQs Set B

Refer to BITSAT Chemistry Organic Chemistry Some Basic Principles and Techniques MCQs Set B provided below. BITSAT Full Syllabus Chemistry MCQs with answers available in Pdf for free download. The MCQ Questions for Full Syllabus Chemistry with answers have been prepared as per the latest syllabus, BITSAT books and examination pattern suggested in Full Syllabus by BITSAT, NCERT and KVS. Multiple Choice Questions for Organic Chemistry Some Basic Principles and Techniques are an important part of exams for Full Syllabus Chemistry and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for BITSAT Full Syllabus Chemistry and also download more latest study material for all subjects

MCQ for Full Syllabus Chemistry Organic Chemistry Some Basic Principles and Techniques

Full Syllabus Chemistry students should refer to the following multiple-choice questions with answers for Organic Chemistry Some Basic Principles and Techniques in Full Syllabus. These MCQ questions with answers for Full Syllabus Chemistry will come in exams and help you to score good marks

Organic Chemistry Some Basic Principles and Techniques MCQ Questions Full Syllabus Chemistry with Answers

Question: According to IUPAC system, the correct name of the compound having the formula

BITSAT Chemistry Organic Chemistry 35 

a) 2-ethyl-3-methyl but-1-ene

b) 2-methyl pent-3-ene

c) 2-methyl but-1-ene

d) None of these

Answer: None of these

 

Question: Liebig’s method is used for the estimation of

a) N

b) S

c) C and H

d) Halogens

Answer: C and H

 

Question: Hyperconjugation involves

a) σ – π conjugation

b) σ – π delocalisation

c) No bond resonance

d) All

Answer: σ – π conjugation

 

Question: The intermediate formed during the addition of HCl to propene in the presence of peroxide is

a)

BITSAT Chemistry Organic Chemistry 36

b)

BITSAT Chemistry Organic Chemistry 37

c)

BITSAT Chemistry Organic Chemistry 38

d)

BITSAT Chemistry Organic Chemistry 39

Answer:

BITSAT Chemistry Organic Chemistry 37

 

Question: Which of the following has zero dipole moment?

a) 1, 1-dichloromethane

b) cis-1, 2-dichloroethene

c) Trans-1, 2-dichloroethene

d) 1-chloroethane

Answer: Trans-1, 2-dichloroethene

 

Question: Keto-enol tautomerism is observed in

a)

BITSAT Chemistry Organic Chemistry 40

b)

BITSAT Chemistry Organic Chemistry 41

c)

BITSAT Chemistry Organic Chemistry 42

d) None

Answer:

BITSAT Chemistry Organic Chemistry 41

 

Question: The restricted rotation about carbon-carbon double bond in 2- butene is due to

a) Overlap of one s- and one sp2-hybridized orbitals

b) Overlap of two sp2-hybridized orbitals

c) Overlap of one p-and one sp2-hybridized orbitals

d) Sideways overlap of two p-orbitals

Answer: Sideways overlap of two p-orbitals

 

Question: IUPAC name of CH3CH(CH3)COOHis

a) Dimethyl acetic acid

b) 2 - Methylpropanoic acid

c) Propionic acid

d) Butyric acid

Answer: 2 - Methylpropanoic acid

 

Question: IUPAC name of the compound

BITSAT Chemistry Organic Chemistry 43

a) ethyl-3-methyl-2-(3-nitro) phenyl butanoate

b) ethyl-2-methyl-2-(m-nitro) phenyl propanoate

c) ethyl-2-methyl-2-(3-nitro) phenyl propanoic acid

d) None of the above

Answer: ethyl-3-methyl-2-(3-nitro) phenyl butanoate

 

Question: Example of chlorinolyis is

a)

BITSAT Chemistry Organic Chemistry 44

b)

BITSAT Chemistry Organic Chemistry 45

c)

BITSAT Chemistry Organic Chemistry 46

d)

BITSAT Chemistry Organic Chemistry 47

Answer:

BITSAT Chemistry Organic Chemistry 47

 

Question: The reaction :

BITSAT Chemistry Organic Chemistry 48

a) Elimination reaction

b) Substitution reaction

c) Free radical reaction

d) Displacement reaction

Answer: Substitution reaction

 

Question: The addition of HCN to a carbonyl compound is an example of

a) Nucleophilic substitution

b) Electrophilic addition

c) Nucleophilic addition

d) Electrophilic substitution

Answer: Nucleophilic addition

 

Question: Among the following compounds which is most reactive towards nitration

a) Benzene

b) Nitrobenzene

c) Toluene

d) Chloro benzene

Answer: Toluene

 

Question:

BITSAT Chemistry Organic Chemistry 49electrophilic substitution will occur at

a) Meta in second ring

b) Ortho/para in the first ring

c) Meta in the first ring

d) Ortho/para in the second ring

Answer: Ortho/para in the second ring

 

Question: Which is a pair of geometrical isomers ?

BITSAT Chemistry Organic Chemistry 50  BITSAT Chemistry Organic Chemistry 51

BITSAT Chemistry Organic Chemistry 52    BITSAT Chemistry Organic Chemistry 53

a) I and II

b) I and III

c) II and IV

d) III and IV

Answer: II and IV

 

Question: The IUPAC name of the compound is

BITSAT Chemistry Organic Chemistry 54

a) 3, 3-dimethyl - 1- cyclohexanol

b) 1, 1-dimethyl-3-hydroxy cyclohexane

c) 3, 3-dimethyl-1-hydroxy cyclohexane

d) 1, 1-dimethyl-3-cyclohexanol

Answer: 3, 3-dimethyl - 1- cyclohexanol

 

Question: Which of the following compounds is isomeric with 2, 2, 4, 4- tetramethylhexane?

a) 3-ethyl -2, 2- dimethylpentane

b) 4-isopropylheptane

c) 4-ethyl-3-methyl-4-n-propyloctane

d) 4, 4-diethyl-3-methylheptane

Answer: 4-isopropylheptane

 

Question: The systematic name of

 BITSAT Chemistry Organic Chemistry 55 is

a) 1-Methyl-1 aminopropane

b) 2-Butanamine

c) 2-Methyl-2 aminopropane

d) None of these

Answer: 2-Butanamine

 

Question: The compound which gives the most stable carbonium ion on dehydration :

a) 2-Methylpropanol

b) 2-Methylprop-2-ol

c) Butanol

d) But-2-ol

Answer: 2-Methylprop-2-ol

 

Question: Which of the followings is most stable ?

a)

BITSAT Chemistry Organic Chemistry 56

b)

BITSAT Chemistry Organic Chemistry 57

c)

BITSAT Chemistry Organic Chemistry 58

d)

BITSAT Chemistry Organic Chemistry 59

Answer:

BITSAT Chemistry Organic Chemistry 59

 

Question: Arrange the following in order of decreasing basicity

A. CH3CH2MgBr

B. HC ≡ CMgBr

C. CH3CH2OMgBr

a) A > C > B

b) A > B > C

c) C > B > A

d) B > A > C

Answer: A > B > C

 

Question: The order of decreasing stability of the carbanions

(CH3 )3C -(I);(CH3 )2CH- (II);CH3CH2 -(III);C6H5CH2- (IV) is

a) I > II > III > IV

b) IV > III > II > I

c) IV > I > II > III

d) I > II > IV > III

Answer: IV > III > II > I

 

Question: A compound with molecular formula, C7H16 shows optical isomerism, the compound will be

a) 2, 3-dimethylpentane

b) 2, 2-dimethylpentane

c) 2-methylhexane

d) None of these

Answer: 2, 3-dimethylpentane

 

Question: The IUPAC name of the compound BITSAT Chemistry Organic Chemistry 60 is

a) 1, 2, 3 - Tricyanopropane

b) 3 - Cyanopentane - 1, 5 -dinitrile

c) 1, 2, 3 - Cyanopropane

d) Propane trinitrile - 1, 2, 3

Answer: 3 - Cyanopentane - 1, 5 -dinitrile

 

Question: In paper chromatography

a) Mobile phase is liquid and stationary phase is solid

b) Mobile phase is solid and stationary phase is liquid

c) Both phases are liquids

d) Both phases are solids

Answer: Both phases are liquids

 

Question: Liebig’s method is used for the estimation of

a) N

b) S

c) C and H

d) Halogens

Answer: C and H

 

Question: Which of the following has zero dipole moment?

a) 1, 1-dichloromethane

b) cis-1, 2-dichloroethene

c) trans-1, 2-dichloroethene

d) 1-chloroethane

Answer: trans-1, 2-dichloroethene

 

Question: The addition of HCN to a carbonyl compound is an example of

a) Nucleophilic substitution

b) Electrophilic addition

c) Nucleophilic addition

d) Electrophilic substitution

Answer: Nucleophilic addition

 

Question: Among the following compounds which is most reactive towards nitration

a) Benzene

b) Nitrobenzene

c) Toluene

d) Chloro benzene

Answer: Toluene

 

Question: The compound which gives the most stable carbonium ion on dehydration

a) 2-Methylpropanol

b) 2-Methylprop-2-ol

c) Butanol

d) But-2-ol

Answer: 2-Methylprop-2-ol

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