Which of the following resonance structures makes the largest contribution to the structure of [H2CCHO] −? ![Which of the following resonance structures makes the largest contribution to the structure of [H<sub>2</sub>CCHO] <sup>−</sup>? A) 1 B) 2 C) 3 D) 4](https://d2lvgg3v3hfg70.cloudfront.net/TB7078/11ead7c8_9ddb_2fc6_84b0_e38b045e89d7_TB7078_00.jpg)
A) 1
B) 2
C) 3
D) 4
Correct Answer:
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