10. Which of the following protons is MOST likely to be abstracted when treated with NaNHz? H₁ a. H4 b. H3 C. H2 d. H1 H₂ H3 H₁

All one question

Ochem

She Provided Us With The Answer But I Dont Know How To Get The Answer

16  part d

Please how to solve #7

Select the best answer. .CI 1.) LIAIH(O'Bu)3 2) ( Ph-P-CH2 3 a) 1.) b.) 1.) c.) 1.) R 2) 2) H 2) e) 1.) d.) 1.) 2) O. 2)

Question 2

Which of the following violates the rules for curved arrows? 11 £ 8 IV = O IV 0 >

Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by completions of the statement. Select the one lettered answer or completion that is best in each case. Write your answer before each number. 48.A substance that has a high degree of purity and is used in direct standardization purposes: a. Analyzed reagent C. USP grade reagent b. Primary standard reagent d. Technical grade reagent 49. When a weak acid is titrated with strong base, the indicator used is a. Methyl red C. Titration not possible Methyl orange b. phenolphthalein d. 50.An organic compound that changes from one color to another at a certain pH is called: a. Indicator C. Standard solution b. Buffer d. Test solution