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PLEASE ANSWER CLEARLY! THANK YOU!! Scientists recently discovered a new element,

ID: 711561 • Letter: P

Question

PLEASE ANSWER CLEARLY! THANK YOU!! Scientists recently discovered a new element, Z. The element is halogen- like in its observed behavior. It exists in diatomic molecules, Z2. It reacts with alkanes (with light) in a manner that is analogous to halogens. It reacts with butane (XS) + light to give two mono- substitution products, whose observed percentages are indicated below. ight CH-CH-CH-CH,z 90% 10% What is the relative reactivity of 20 H 1° H with respect to the reaction with Z2? Please show details of your calculation.

Explanation / Answer

There are 4 secondary hydrogen with total abundance of 90%

secondary % = 90%/4 = 22.5% per Hydrogen

There are 6 primary hydrogen with total abundance of 10%

secondary % = 10%/6 per Hydrogen

Relative reactivity = secondary/primary = (90/4)/(10/6) = 9 * 6/4 = 13.5

The secondary hydrocarbons are 13.5 times more reactive than primary carbocations

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