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WikiCards · Card list · Science cards · Malonic anhydride
Common card · Science
Malonic anhydride, a Common card
Malonic anhydride or oxetane-2,4-dione is an organic compound with chemical formula C3H2O3 or CH22O.
- Rarity
- Common
- Domain
- Science
- ATK
- 38
- DEF
- 26
- Power
- 64
- Wikipedia reads a year
- 1,900
Power 64 (ATK + DEF): stronger than 10 % of WikiCards cards.
Malonic anhydride quiz: 3 questions
Three questions on the Malonic anhydride card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Some ______, such as 3,3-dimethyl-oxetane-2,4-dione, are known.
Answer
derivatives. Some derivatives, such as 3,3-dimethyl-oxetane-2,4-dione, are known. From the Malonic anhydride article on Wikipedia.
In which decade?
Malonic anhydride was first synthesized in ____ by ozonolysis of diketene.
Answer
1980s. Malonic anhydride was first synthesized in 1988 by ozonolysis of diketene. From the Malonic anhydride article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Multistage amplifier. Multistage amplifier 51 · Springtime 46 · Anterior ethmoidal artery 43 · Malonic anhydride 38 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- It can be viewed as the anhydride of malonic acid, or a double ketone of oxetane.
- Malonic anhydride was first synthesized in 1988 by ozonolysis of diketene.
- Some derivatives, such as 3,3-dimethyl-oxetane-2,4-dione, are known.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Malonic anhydride article was read about 1,900 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 38 and blocks with 26: each hit it takes is cut by 10 %.
How to get Malonic anhydride
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
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- Peperomia nivalisCommon · Nature · ATK 40 DEF 24
- Sixtus of SienaCommon · Science · ATK 42 DEF 22
- Wilson ArchCommon · Nature · ATK 39 DEF 25
Card lists
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Credits
Text : Wikipedia, Malonic anhydride (revision), CC BY-SA 4.0. Photo : DMacks ( talk ), Public domain, Wikimedia Commons.
