What determines the most likely oxidation state of an element?
2 answers:
<u>Answer:</u> The correct answer is Option C.
<u>Explanation:</u>
Oxidation state is defined as the number which is given to an atom when it looses or gains electron. It is written as a superscript.
When an atom looses electron, it will attain a positive oxidation state and when an atom gains electron, it will attain a negative oxidation state.
An atom looses or gains electron to attain stability and to fill their valence shell.
<u>For Example:</u>
- Oxygen atom will gain 2 electrons and will form
ion having oxidation state of -2.
- Sodium atom will loose 1 electron and form
ion having oxidation state of +1.
Thus, the correct answer is Option C.
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Answer:
The value of the heat capacity of the Calorimeter = 54.4
Explanation:
Given data
Heat added Q = 4.168 KJ = 4168 J
Mass of water = 75.40 gm
Temperature change = ΔT = 35.82 - 24.58 = 11.24 ° c
From the given condition
Q = ΔT +
ΔT
Put all the values in above equation we get
4168 = 75.70 × 4.18 × 11.24 + × 11.24
611.37 = × 11.24
= 54.4
This is the value of the heat capacity of the Calorimeter.