As there is the increase in Oxidation number from +1 to +2. Hence, the correct Option (A) i.e, 1 to +2,
<h3>
What is Oxidation ?</h3>
Oxidation doesn't necessarily have anything to do with oxygen.
- Oxidation occurs when an atom, molecule, or ion loses one or more electrons in a chemical reaction.
- When oxidation occurs, the oxidation state or oxidation number of the chemical species increases.
- Oxidation doesn't necessarily involve oxygen! Originally, the term was used when oxygen caused electron loss in a reaction.
Hence, Option (A) indicates the oxidation as there is the increase in Oxidation number from +1 to +2.
Learn more about Oxidation here ;
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Explanation:
d. endothermic change as
heat is added to solid ice to change it to liquid water
<span>291 & 2/3 dozen are in 3500 eggs</span>
1.16 g of UF₄ can be formed in this reaction.
<u>Explanation:</u>
We have to write the balanced equation of the reaction between Uranium oxide and hydrogen fluoride to form Uranium tetra fluoride and water as,
UO₂(s) +4 HF(aq) → UF₄ + 4 H₂O(l)
We can find the moles of UF₄ and then multiplying molar mass of UF₄ with the moles of UF₄, we will get the mass of UF₄ in grams.
Moles of UF₄ = 
= 0.00370 mol UF₄
Grams of UF₄ =0.00370 mol × 314.02 g/mol = 1.16 g of UF₄
So mass of UF₄ formed in the reaction is 1.16 g.
Answer:
b) low temperature and high pressure
Explanation:
Deviation of gases from their ideal behavior could be as a result of two things which include a very small volume for the gases and the collisions not being elastic enough.
Small volume will decrease the frequency of elastic collisions a gas will experience as a result of the tiny space.
Low temperature will decrease the amount of elastic collisions and energy of the gas and high pressure will decrease the volume which is why there will be a deviation in the ideal behavior of Hcl(g)