Q1 The earliest nomenclature of the organic compounds were based on? Characteristic fragrance only Their origin or properties Chemical and physical properties Aroma, fragrance and smell Q2 An aromatic compound which contained side chain hydroxyl group is called? Phenol Aromatic alcohol Hydroxybenzen Aryl halide Q3 In alcohol in which the oxygen atom is replaced by a sulphur atom is called? Sulphuric acid Sulfhydryl Sulphurnol Thiol Q4 Depending on the number of alkyl group attached to the nitrogen atom, the amines are classified as? Imine, amino and amide Saturated unsaturated and partially saturated Primary, secondary and tertiary amines First degree, second degree and third degree amines Q5 When a compound has carbon-nitrogen triple bond it is called? Amino Nitrile Imine Amine Q6 When a compound has carbon-nitrogen double bond it is called? Imine Amino Amine Nitrile Q7 When a compound has a carbon-nitrogen single bond it is called? Nitrile Imine Nitrite amine Q8 Benzene is an example of which type of hydrocarbon? Alicyclic hydrocarbon Arene hydrocarbon Aromatic hydrocarbon Alkene hydrocarbon Q9 The hydrocarbons are broadly classified into___? Alkane, alkene and alkyne Aliphatic, alicyclic and aromatic Alicyclic, heterocyclic and aromatic Saturated, unsaturated and aromatic Q10 A functional group can be defined as? An atom or group of atoms in a molecule which exhibit a characteristic chemical properties An atom or group of atoms in a molecule which exhibit a characteristic physical properties A group of atoms in a molecule which exhibit a characteristic chemical properties An atom in a molecule which exhibit a characteristic chemical properties Q11 What is the functional group of esters? $$�??COOCO�??$$ $$�??COOH$$ $$�??CHO$$ RCOOR�?? Q12 What is the functional group of aldehyde? $$�??COO�??$$ $$C�??C=O$$ $$�??CHO$$ RCHO Q13 -OH is a functional group for which organic compound? Ketone
Alcohol Base Acid Q14 Grouping organic compounds base on their functional groups makes it easier to understand their_______? Chemical properties only Physical properties only Structural properties only Physical and chemical properties Q15 Choose the correct option that best indicate the hybrid orbitals type, bond length and bond angle for acetylene? $$SP{^2}$$, 134 pm and $$120{^o}$$ $$SP{^3}$$, 154 pm and 190.5{^o}$$ $$SP{^2}$$, 120 pm and $$180{^o}$$ SP, 120 pm and $$180{^o}$$ Q16 Choose the correct option that best indicate the hybrid orbitals type, bond length and bond angle for methane. $$SP{^3}$$, 154 pm and $$190{^o}$$ SP, 134 and 180o SP{^2}$$, 134 pm and 120{^o}$$ $$SP{^3}$$, 134 pm and$$ 120{^o}$$ Q17 Indicate the corresponding bond resulting from $$SP{^3}$$, $$SP{^2}$$ and SP hybridization Triple bond, double bond and single bond. Single bond, double bond and triple bond. Double bond, single bond and triple bond Single bond, triple bond and double bond Q18 Which of these statements is correct? Pi bonds are formed by sideways overlap of p-orbitals. Sigma bonds are formed by the edge-on overlap of pure S and P hybrid orbitals The electron density in sigma bond is maximum along the inter-nuclear axis All of the above Q19 The bond energy C�??C is equivalent to? $$348 Kjm{^-1}$$ $$341 Kjmol{^-1}$$ $$415 Kjmol{^-1}$$ $$433 Kjmol{^-1}$$ Q20 What is the measure of the length of C�??C bond? 154 pm 154 cm 164 cm 164 pm
CHM102 TMA Questions & Answers
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Nurudeen Dauda Oluwaseun
on
November 10, 2018
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Nice one👌
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