A Count of Positive and Negative Words in Millions of Twitter

question 72

Multiple Choice

A count of positive and negative words in millions of Twitter messages suggests that people seem most happy on

• A) Mondays.
• B) Wednesdays.
• C) Fridays.
• D) Sundays.

---

Definitions:

Wolff-Kishner Reduction

A chemical reaction used to convert carbonyl groups (C=O) into methylene (CH2) groups by treatment with hydrazine (N2H4) and a strong base.

Ketone

An organic compound characterized by a carbonyl group (C=O) bonded to two carbon atoms, common in sugars and fragrances.

Hydrazone

A compound formed by the reaction of a hydrazine with a ketone or aldehyde, characterized by a –NHN=C– linkage.

Semicarbazone

Derivatives of semicarbazide that are used as derivatives to characterize aldehydes and ketones, typically involving the formation of crystalline precipitates.