Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers1216Choose the best answerWhich example represents a copolymer?APVC formed from vinyl chlorideBA polymer formed from vinyl acetate and butyl maleateCA polymer formed from three different monomersDPolyethylene formed from ethene Like 0 Discuss 0Share
Chemical EquilibriumCommon-Ion Effect1217Choose the best answerWhich pair is a standard example of the common-ion effect suppressing the ionization of a weak base?ABaCl₂ + Ba(NO₃)₂BNaCl + HClCNH₄OH + NH₄ClDAgNO₃ + KNO₃ Like 0 Discuss 0Share
Periodic TableElectronegativity1218Choose the best answerThe ability of an atom in a covalent bond to attract the shared electrons is called:AIonization energyBBond energyCElectronegativityDElectron affinity Like 0 Discuss 0Share
Alcohols and PhenolsGrignard Reagents and Alcohol Formation1219Choose the best answerWhich combination correctly matches the carbonyl compound with the alcohol obtained after reaction with a Grignard reagent and hydrolysis?AFormaldehyde → Secondary alcoholBAldehyde other than HCHO → Tertiary alcoholCKetone → Tertiary alcoholDH₂O → Ethanol Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms1220Choose the best answerHow many atoms are present in 0.1 mol of a triatomic gas? NA = 6.02 × 10²³ mol⁻¹A6.026 × 10²²B1.806 × 10²³C3.600 × 10²³D1.800 × 10²² Like 0 Discuss 0Share