Choose one of the statements below that would best complete the following

Chemistry

1 answer:

____ [38]3 years ago

6 0

Answer:

The correct answer is 4 substracting hydride ions from olefins.

Explanation:

The olefins are the unsaturated hydrocarbon also called alkenes that contain one double bond present between 2 carbon atoms.

On the other hand a carbenium ion is formed when a hydrocarbon loses a hydride ion to form a positively charged product.

For example allyl cation

CH2=CH-CH2+

The allyl cation is a carbenium ion formed by the removal of H- ion or hydride ion from the alkene propene.

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Please Help!!<br> Qns 1b to 3

Gelneren [198K]

Answer: Ammonium, when heated with aqueous base, will give off NH3 (ammonia) gas, (and depending, water vapor). This will leave the Cr2O3(s). From then on,

it is just adding or subtraction of gases or water vapor. You probably heard “Loss of electrons is Oxidation”, “Gain of Electrons is reduction”. That should help.

Explanation: This isn’t an explanation but an interesting point; Acid-Base and RedOx reactions are useful to the most complex of any Chemistry. Get this down, and Organic Chemistry will be much easier.

7 0

3 years ago

Classify the following reactions into: Element – Element, Element – Compound, Compound – Compound

Rudiy27

Answer:

1. CaO + H₂O ----> Ca(OH)₂

Compound ----- Compound

2. 2 Na + Cl₂ ----> 2 NaCl

Element ----- Element

3. 2 SO₂ + O₂ ----> 2 SO₃

Element ----- Compound

3 0