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Which compound is used as a standard for NMR chemical shift measurements? a) Si(CH₃)₄ b) CDCl₃ c) D₂O d)CCl₄ - ANSWERSa) Si(CH₃)₄ which compound doesn't react with nucleophiles? a) CH₃CH₂CHO b) CH₃CHCH₂ c) CH₃CH₂COCH₃ d)CH₃CH₂CH₂Cl - ANSWERSb) CH₃CHCH₂ which molecule is not planar? a) C₂H₄ b) C₂H₆ c) H₂CO d) HCN - ANSWERSb) C₂H₆ ethanol can be prepared by different reactions which reaction has the lowest atom economy?...

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14 páginas

Escrito en 2024/2025

Grado A

Bestgrades2

A Level Chemistry Ocr A Paper 2

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14 páginas

Escrito en 2026/2027

Grado A+

BrainEdge

A LEVEL CHEMISTRY OCR A PAPER 2 Exam Study Guide – Practice Questions with Verified Answers. GRADED A+. Latest 2026/2027 Update A LEVEL CHEMISTRY OCR A PAPER 2 Exam Study Guide – Practice Questions with Verified Answers. GRADED A+. Latest 2026/2027 Update A LEVEL CHEMISTRY OCR A PAPER 2 Exam Study Guide – Practice Questions with Verified Answers. GRADED A+. Latest 2026/2027 Update

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10 páginas

Escrito en 2025/2026

Grado A+

BESTGRADE32

A Level Chemistry Ocr A - Paper 2 Incorrect Questions

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18 páginas

Escrito en 2025/2026

Grado A

Lectjosh

A Level Chemistry Ocr A - Paper 2 Incorrect Questions

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18 páginas

Escrito en 2025/2026

Grado A

LECTME

Predicted Paper 2022 Name ……………… Date ………………… 2 hours 15 minutes allowed You should spend a maximum of 20 minutes on section A. The Advanced Information from the exam board gives us a broad overview of what is covered in the exam. The information was given in ranked order, and this has been reflected in the mark allocation and topics on this paper. There are questions in this paper that cover topics that are not listed by the exam board. These are i...

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39 páginas

Escrito en 2022/2023

Grado A+

esthermungai