Which of the following compounds has a molecular formula of C6H7O+ and an index of hydrogen deficiency of 4? 
Definitions:
Tying
Tying is a sales technique where a seller requires the purchaser of one product to also buy another, secondary product.
Monopoly
A market structure in which a single seller controls the entire supply of a product or service, and hence, the price, effectively blocking entry for any competitors.
Prisoners' Dilemma
A scenario in game theory in which two individuals acting in their own self-interest do not achieve the optimal outcome, illustrating the conflict between individual and collective rationality.
Cooperation
The process of groups or individuals working together towards a common goal.
Q6: S<sub>N</sub>1 reactions of the following type:
Q7: How many distinct dimethylcyclopropanes are there?<br>A)2<br>B)3<br>C)4<br>D)5<br>E)6
Q15: What is the index of hydrogen deficiency
Q19: A correct name for the following compound
Q20: Which of the reaction conditions would not
Q85: Which of the following is (are)meso? <img
Q98: Which molecule is a meso compound? <img
Q106: Which of the following organic compounds has
Q124: Which molecule is achiral? <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5902/.jpg" alt="Which
Q130: Which of the following is bicyclo[3.2.2]nonane? <img