A student needed to make \( 500.0~cm^{3} \) of a \( 0.2500~mol~dm^{-3} \) solution of sodium hydroxide, NaOH, from the
Levels: HL
Q-DC358 (Set 38)
Which product may be obtained by the reduction of \( CH_{3}CH_{2}COOH \)?
Q-DC358 (Set 39)
What is the oxidation state of Pt in \( [Pt(NH_{3})_{5}Cl]Cl_{3} \)?
Q-DC358 (Set 40)
What is the main product of the reaction between but-1-ene, \( CH_{2}CHCH_{2}CH_{3} \) and hydrogen bromide, HBr?
Q-DC358 (Set 33)
What are the oxidizing and reducing agents in this reaction? \( ClO^{-}(aq)+SO_{2}(g)+H_{2}O(l)\rightarrow Cl^{-}(aq)+SO_{4}^{2-}(aq)+2H^{+}(aq) \)
Q-DC358 (Set 34)
Which statement about electrochemical cells is correct?
Q-DC358 (Set 35)
Consider two half-cells: \( Al(s)/Al^{3+}(aq) \) and \( Ni(s)/Ni^{2+}(aq) \). What will be the cell potential, in V, when the
Q-DC358 (Set 36)
Which statement about the standard hydrogen electrode, SHE, is correct?
Q-DC358 (Set 37)
What are the main products when concentrated NaCl (aq) is electrolysed using inert electrodes?
Q-DC358 (Set 29)
2 mol of \( NO(g) \) and 1 mol of \( Cl_{2}(g) \) were mixed together, and the system was