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Questions and Answers
According to the Saytzeff rule, which alkene is the major product in the given reaction?
According to the Saytzeff rule, which alkene is the major product in the given reaction?
What is the product formed in the reaction C6H5CH (C6H5)Br?
What is the product formed in the reaction C6H5CH (C6H5)Br?
Why does KMnO4 appear intense purple in color?
Why does KMnO4 appear intense purple in color?
Why does O-15 have a longer half-life compared to O-19?
Why does O-15 have a longer half-life compared to O-19?
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What is the molar conductivity (Λ) of OCH3COOK?
What is the molar conductivity (Λ) of OCH3COOK?
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Study Notes
Chemistry Theory Marking Scheme Summary (2022-23)
- The Saytzeff rule determines the major product in the dehydration reaction, favoring highly substituted alkenes.
- The formation of a more stable carbocation results in the given chemical reaction, leading to the product C6H5CH (C6H5)+.
- The intense purple color of KMnO4 is attributed to ligand to metal (L→M) charge transfer from the 2p orbitals of oxygen to the 3d orbitals of manganese.
- O-15 has a slower rate of decay and a longer half-life compared to O-19 due to its lower rate constant for decay.
- The molar conductivity (Λ) of OCH3COOK is calculated as 115 Scm2/mol using the given conductivities of CH3COOH and KOHCl.
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Description
Test your knowledge of chemistry with this sample paper for the 2022-23 academic year. This quiz covers theory and marking scheme for Section A questions 1 to 18, including topics such as alkene formation, carbocation stability, and charge transfer. Sharpen your understanding of key concepts in chemistry theory.
