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Mdcat-past-papers - IBA - Chemistry Quiz

Filters: Board: IBA | Subject: Chemistry |
1. The heat of formation of CO and CO₂ are -26.4 Kcal and -94.0 Kcal respectively. The heat of combustion of carbon monoxide according to Hess's Law will be:



2. Rate of dehydration of alcohol is:



3. For which reaction, the value of Kc increases with increase in temperature?



4. Correct order of bond energy will be:



5. Which of the following is least volatile?



6. IUPAC name of the compound is CH₃(CH₂)₆CH(CH₂):



7. IUPAC name of the compound C₂H₅CH=C(C₃H₅) C₂H₅ is:



8. Which of the following molecules have similar molecular shape?



9. Value of electronegativity of atoms A and B are 1.20 and 4.0 respectively, the percent ionic character will be:



10. Phenol differs from ethanol because it:



11. Which reagent and condition are used to bring about the reaction shown? Toluene → p-chloro toluene



12. What is 50% yield when actual yield and theoretical yield are 2 g and 4 g respectively?



13. IUPAC name of CHCCI is:



14. The order of reactivity of following R-X for SX reaction is:



15. Among the following compounds, the most susceptible to nucleophilic attack on carbonyl carbon is:



16. Which of the following is expected to be the most paramagnetic?



17. The formation of activated complex in a reaction is:



18. The maximum probability of finding an electron is at a distance of:



19. The IUPAC name of Vinyl acetylene is:



20. Which atom has at least single electron in dumbell shape orbital?