chromium - 2025 NAFTA

Packet 2: Bonus 19

In Kuhn–Roth estimation, the number of methyl groups on a compound can be determined by treating it with an acid containing this metal, then distilling for acetic acid. For 10 points each:

[10m] A reagent containing what metal is used to convert toluene to benzoic acid in the Étard reaction? Pyridinium pairs with a polyatomic anion containing this metal in a reagent used to convert alcohols into carbonyls.

ANSWER: chromium [or Cr; accept chromic acid; accept chromyl chloride; accept pyridinium chlorochromate]

[10e] A reagent containing chromic acid is used to directly prepare carboxylic acids from primary alcohols in one of these reactions named for Ewart Jones, which results in a loss of electrons.

ANSWER: oxidation [accept Jones oxidation; prompt on redox reactions or reduction-oxidation reactions]

[10h] Chromic acid shortens carboxylic acids in a reaction named for a chemist with this surname and Philippe Barbier. A man with this surname is the alphabetically-later namesake of a ketone used as a steroid synthesis starter.

ANSWER: Wieland [accept Henrich Otto Wieland; accept Peter Wieland; accept Barbier–Wieland degradation; accept Wieland–Miescher ketone]

<KN, Chemistry> | NAFTA-Packet-2

Heard	PPB	E %	M %	H %
37	19.73	97%	62%	38%

Back to bonuses

Conversion

Team	Opponent	Part 1	Part 2	Part 3	Total	Parts
BHSU	Muscle Mass Extinction Event	10	10	0	20	ME
Berkeley A	Stanford A	10	10	10	30	MEH
C R A B S	A Neg of Beauty is a Joy Forever	0	10	0	10	E
Capital One in the Twenty-First Century	Middlesex County Fetty Wap Fan Club	10	10	10	30	MEH
Chicago !A	Invective Against Swans	0	10	0	10	E
Constans Constantius and Constantine Jr.	Team 7	10	10	10	30	MEH
Contessa Dora	Munir Siddiqui Fan Club	0	10	0	10	E
David Foster Gromit	Polish Orthographers Posting Their Łs	0	10	0	10	E
Execute Order 6 7	(give me an) ANSWER: die for baseball	10	10	10	30	MEH
Girls who Just Want to Have Fun + Liam	Ana Pauker? I hardly know her!	0	10	0	10	E
Guelph Cloze	Licence to C. Wright Mill	0	10	0	10	E
H Charlson's Washed Up Scrubs	Dielectrical Materialism	10	10	10	30	MEH
Habitat 67	Shipping Down from Ballston	10	10	10	30	MEH
Indiana	1000000 Delinquents	10	10	0	20	ME
It's something unpredictable/that in the end is right/please refrain from e-mailing my wife	Copán Seethe	0	10	0	10	E
JHU	Catholic University A	10	10	0	20	ME
Lex	W&L+Friend	10	10	0	20	ME
Maybe Ever	St. Marx	0	0	0	0
NYU A	Six Quizbowlers in Search of Owen Minmo	0	10	0	10	E
Negged Five Times in a Yellow Cab Against the Gottis and Gambinos	NYU B or not NYU B (that is the question)	0	10	0	10	E
Noah Sheidlower	Untitled by Alexander McQueen by Premeditated Chaos by Alexander McQueen by Percival Everett	10	10	10	30	MEH
Not Old! (Old)	Team 8	10	10	0	20	ME
Quebecois Olga Tokarczuk be like 'freins de jacob interdits'	In the Mood for Transportation Equipment	10	10	10	30	MEH
Say It Ain't Zhou	The Umayyad Caliphate be like REPEAL NAPHTHA	0	10	0	10	E
Stanford B	Berkeley B	10	10	10	30	MEH
The Fire Neg Time	Surrealist Subcommandante Marcos be like Esto no es una pipa	10	10	10	30	MEH
The Saint-Straw that Broke the Camille's Back	consumption smoothing by borrowing future big law income	10	10	0	20	ME
The Third Time when she was Given to Answer the Hard and the Easy, and Answered Only the Easy	Vacuous Tortoise	10	10	0	20	ME
The Worst Trade Deal in the History of Trade Deals	[Redacted]	10	10	10	30	MEH
The lion does not concern itself with negging teammates out of their own categories	Strange Case of Dr. Joker and Mr. Pennywise	0	10	0	10	E
The tram is not in service; please use the moving walkway.	Northwestern	0	10	0	10	E
UBC A	Abbas I founded the Abbasids	10	10	10	30	MEH
UNC Charity	Maryland F♯ A♯ ∞	0	10	0	10	E
Untitled Keyal Team	The "C" Team	10	10	0	20	ME
You Don't Have the Cards	I fear not the man who has reviewed 10000 cards once, but I fear the man who has reviewed one card 10000 times	10	10	10	30	MEH
four high school generalists shock natives with fluent stock in Tocharian B	WashU	10	10	0	20	ME
https://i.imgur.com/C6nN2FE.png	Penn State	10	10	10	30	MEH

Summary

Tournament	Edition	Match	Heard	PPB	E %	M %	H %
2026 NAFTA at Stanford	01/17/2026	✓	4	27.50	100%	100%	75%
2026 NAFTA at UBC	01/17/2026	✓	1	30.00	100%	100%	100%
2025 NAFTA Online	02/14/2026	✓	4	17.50	75%	75%	25%
2026 NAFTA at Vanderbilt	02/14/2026	✓	2	10.00	100%	0%	0%
2025 NAFTA at Toronto	09/13/2025	✓	3	16.67	100%	33%	33%
2025 NAFTA at Maryland	09/27/2025	✓	4	17.50	100%	50%	25%
2025 NAFTA at Harvard	10/04/2025	✓	3	26.67	100%	100%	67%
2025 NAFTA at Oxford	10/11/2025	✓	3	20.00	100%	67%	33%
2025 NAFTA at Chicago	11/08/2025	✓	6	20.00	100%	67%	33%
2025 NAFTA at Columbia	11/08/2025	✓	5	20.00	100%	60%	40%
2025 NAFTA at Richmond	12/20/2025	✓	2	10.00	100%	0%	0%