- Study guides, Class notes & Summaries

what is water of crystallisation? correct answers water molecules that make up part of the crystal structure of a solid define relative isotopic mass correct answers the ass of an atom of an isotope of an element relative to one twelfth the mass of an atom of C-12 why is relative atomic mass written as a decimal? correct answers it is a weighted average mass define molecular formula correct answers the actual number of atoms of each element in a compound define what an orbital is cor...

-

6 pages

Written in 2022/2023

Grade A+

ProPerfomer

OCR CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS   Haloalkane to nitrile - ANSWER-nucleophilic substitution ethanolic NaCN or KCN heat Haloalkane to primary amine (also makes NH4X) - ANSWER-Nucleophilic substitution Excess ethanolic NH3 with no further substitution HEAT under PRESSURE acyl chloride/acid anhydride to SECONDARY amide - ANSWER-Nucleophilic substitution primary amine Acyl chloride/acid anhydride to PRIMARY amide - ANSWER-Nu...

-

9 pages

Written in 2023/2024

Grade A+

BESTEXAMINER1

what is water of crystallisation? correct answers water molecules that make up part of the crystal structure of a solid define relative isotopic mass correct answers the ass of an atom of an isotope of an element relative to one twelfth the mass of an atom of C-12 why is relative atomic mass written as a decimal? correct answers it is a weighted average mass define molecular formula correct answers the actual number of atoms of each element in a compound define what an orbital is...

-

7 pages

Written in 2024/2025

Grade A+

HopeJewels

OCR Chemistry A-Level - Modules 1-4 exam study guide

-

10 pages

Written in 2024/2025

Grade A+

CUTENURSE1

OCR CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS   Haloalkane to nitrile - ANSWER-nucleophilic substitution ethanolic NaCN or KCN heat Haloalkane to primary amine (also makes NH4X) - ANSWER-Nucleophilic substitution Excess ethanolic NH3 with no further substitution HEAT under PRESSURE acyl chloride/acid anhydride to SECONDARY amide - ANSWER-Nucleophilic substitution primary amine Acyl chloride/acid anhydride to PRIMARY amide - ANSWER-Nu...

-

9 pages

Written in 2023/2024

Grade A+

PDFEXAMSEXPERT

OCR Chemistry A-Level - Modules 1-4 questions with 100% correct answers

-

9 pages

Written in 2023/2024

Grade A+

EXAMSTUDYPLUG

Module 4 Core Organic Chemistry (AS Chemistry OCR A) CORRECTLY ANSWERED OCR A-level Chemistry (Test questions with error-free answers) Module 4 Core Organic Chemistry (AS Chemistry OCR A) CORRECTLY ANSWERED

-

10 items

ProPerfomer

OCR Chemistry A-Level - Modules 1-4 with complete solution

-

7 pages

Written in 2022/2023

Grade A

Wiseman