🧪 NEET Practice Test

Organic Chemistry - Chapter 1-AB: Basic Principles and Techniques

Time: 45 minutes | Questions: 45 | Maximum Marks: 180

📋 Instructions

Q.1
The molecular formula C6H12O6 represents which characteristic of organic compounds?
Q.2
Which statement about organic compounds is incorrect?
Q.3
The unique ability of carbon to form chains and rings is primarily due to:
Q.4
Hybridization of carbon in CH4, C2H4, and C2H2 respectively is:
Q.5
The bond angles in methane (CH4), ethene (C2H4), and ethyne (C2H2) are respectively:
Q.6
Which compound represents a heterocyclic compound?
Q.7
The classification of organic compounds is primarily based on:
Q.8
Vital force theory was disproved by Wöhler's synthesis of:
Q.9
The IUPAC name of CH3-CH(CH3)-CH2-CH3 is:
Q.10
The IUPAC name of (CH3)3C-CH2-CH3 is:
Q.11
The correct IUPAC name for CH3-CH2-CHBr-CH3 is:
Q.12
The IUPAC name of CH3-CH2-CO-CH3 is:
Q.13
The priority order of functional groups for IUPAC nomenclature is:
Q.14
The IUPAC name of CH3-CH(OH)-CH2-CHO is:
Q.15
In IUPAC nomenclature, the suffix for alkenes is:
Q.16
The IUPAC name of CH3-CH2-CH=CH2 is:
Q.17
Compounds having the same molecular formula but different structures are called:
Q.18
Chain isomerism is first exhibited by:
Q.19
The total number of structural isomers possible for C5H12 is:
Q.20
Position isomerism is shown by:
Q.21
Functional isomerism is exhibited by:
Q.22
Metamerism is shown by:
Q.23
CH3-CH2-O-CH2-CH3 and CH3-O-CH2-CH2-CH3 are examples of:
Q.24
Tautomerism is a special case of:
Q.25
The phenomenon where a compound exists as a mixture of two rapidly interconverting isomers is called:
Q.26
Which method is used to separate liquids with different boiling points?
Q.27
Fractional distillation is preferred over simple distillation when:
Q.28
Steam distillation is used for:
Q.29
In column chromatography, the separation is based on:
Q.30
The stationary phase in paper chromatography is:
Q.31
Rf value in thin layer chromatography is defined as:
Q.32
Which is the most polar solvent?
Q.33
Lassaigne's test is used to detect:
Q.34
In Lassaigne's test, sodium fusion extract gives a blood red color with FeCl3 due to:
Q.35
Silver nitrate test is used to detect:
Q.36
Fehling's test is positive for:
Q.37
Benedict's test is used to detect:
Q.38
Lucas test is used to distinguish between:
Q.39
Tollens' reagent gives a positive test with:
Q.40
Iodoform test is positive for compounds containing:
Q.41
In Dumas method for nitrogen estimation, nitrogen is converted to:
Q.42
In Kjeldahl's method, the organic compound is heated with:
Q.43
For estimation of carbon and hydrogen, the organic compound is combusted in the presence of:
Q.44
In Carius method for sulfur estimation, sulfur is converted to:
Q.45
If 0.24 g of an organic compound on combustion gave 0.44 g of CO2 and 0.18 g of H2O, the percentage of carbon in the compound is:
(Atomic masses: C = 12, H = 1, O = 16)

🧪 NEET Organic Chemistry Practice Test - Chapter 1-AB 🧪

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📚 freetestmaker.com | Anonymous | 2025-10-31 21:55:16