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Ocr a level chemistry paper 1 2023 QUESTIONS AND ANSWERS// OCR A- Level Chemistry Paper 1 2022 LATEST UPDATE Define Transition element - CORRECT ANSW-A d-block element that can form at least one stable ion with an incomplete d subshell Why aren't scandium and Zinc transition elements? - CORRECT ANSW-Cannot form stable ions with an incomplete d-sub shell. Sc 3+ has an empty d-sub shell and Zn 2+ has a full d sub shell. Name the oxidation states and coloured io...

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DAT Organic Chemistry Review Practice Test. Which are more stable conformers - CORRECT ANSWER staggered What are the rate laws of SN2 and E2 reactions - CORRECT ANSWER rate= k [RX][Nu:-] rate depends on concentrations of alkyl halide and nucleophile What are the rate laws of SN1 and E1 reactions - CORRECT ANSWER rate= k[RX] rate only depends on the concentration of the alkyl halide E2 elimination reactions must occur in bonds that are - CORRECT ANSWER coplanar or antiperiplan...

AC-HPAT Chemistry Exam Questions And Answers (Updated And Verified) Double-displacement reaction - answerA double displacement reaction, also known as a double replacement reaction or metathesis, is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products Precipitate - answerprecipitate is an insoluble solid that emerges from a liquid solution. The emergence...

DAT Organic Chemistry Study Review Practice Test. Enantiomer - CORRECT ANSWER Non-superposable mirror images Diastereomer - CORRECT ANSWER Non-mirror images with same chemical formula Meso Compound - CORRECT ANSWER Achiral but has stereocenters Why are axial conformations of large substituents less stable than equatorial conformations? - CORRECT ANSWER 1, 3 diaxial interactions What rings have more ring strain? - CORRECT ANSWER Smaller rings, but not cyclohexane General formu...

double-displacement reaction A double displacement reaction, also known as a double replacement reaction or metathesis, is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products Precipitate precipitate is an insoluble solid that emerges from a liquid solution. The emergence of the insoluble solid from solution is called precipitation. Often the precipitate ...

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