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Quiz 201
Mdcat-past-papers Quiz
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4001. The compounds containing R–SH functional group are known as:
Alcohols
Thio-alcohols
Thio-ether
Nitrile
4002. Which functional group is present in ethyl acetate?
Aldehyde group
Ester group
Carboxyl group
Ether group
4003. Homocyclic organic compounds are subdivided into two types, namely:
Alicyclic and Aromatic
Alkenes & Alkynes
Aromatic and Non-aromatic
Saturated & Unsaturated
4004. The first organic compound manufactured from inorganic compound was:
Ethyl acetate
Urea
Acetic acid
Methane
4005. Organic compounds are classified into:
Carbon & Non-carbon compounds
Open-chain & Closed-chain compounds
Homocyclic & Heterocyclic compounds
Aromatic & Cyclic compounds
4006. Homo-cyclic organic compounds are subdivided into two types, namely:
Alicyclic and Aromatic
Open-chain and Branched-chain
Aromatic and Non-aromatic
Anti-aromatic
4007. All of the following compounds are organic except:
KOCN
C₆H₅OH
CH₃COCH₃
CH₃OH
4008. Name of ketone functional group is:
Amino
Carbonyl
Carboxyl
Formyl
4009. Pyridine belongs to which class of organic compounds?
Alicyclic
Homocyclic
Heterocyclic
Hydrocarbon
4010. Which of the following elements cannot be detected directly in a given organic compound?
Chlorine
Oxygen
Nitrogen
Phosphorus
4011. n-heptane has ----- octane number:
0
20
1
25
4012. The cracking method used to obtain better quality gasoline is:
Radiations
Catalytic
Steam
Thermal
4013. Homocyclic organic compounds are subdivided into two types namely:
Alicyclic and Aromatic
Open chain and Branched chain
Aromatic & Non-aromatic
Antiaromatic & Antialicyclic
4014. 1-chloropropane and 2-chloropropane are isomers of each other. The type of isomerism in these two is called:
Cis-trans isomerism
Chain isomerism
Position isomerism
Functional group isomerism
4015. Which one of the following pairs can be cis-trans isomer to each other?
CHCl=CCl₂ and CH₂=CH₂
CH₃–CH=CH–CH₃ and H₂C–CH=CH–CH₃
CH₃–CH=CH–CH₃ and H3-CH=CH–CH₃
CHCl=CH₂ and CH₂=CHCl
4016. A butane molecule can have a maximum number of isomers:
5
3
4
2
4017. Maleic acid and fumaric acid, both have chemical formula C₄H₄O₄. The structure of these acids is shown below:
Position isomers
Structural isomers
Metamers
Cis-Trans isomers
4018. Which of the following molecules shows cis-trans isomerism?
C₂H₂Cl₂
C₂H₂Cl₂
C₂H₄
C₂H₂Br₂
4019. In which of the following groups is the carbon atom sp hybridized?
–CHO
–COOH
–CN
–COOR
4020. What is the number of isomers of a hydrocarbon having the molecular formula C₄H₈?
2
3
4
5
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