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प्रश्न
State the following is a reduction reaction or oxidation reaction.
\[\ce{Cu -> Cu^2+}\]
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उत्तर
Oxidation Reaction.
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संबंधित प्रश्न
Explain the following briefly:
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What type of bond is formed between two atoms, when the electronegative difference between them is High ?
Fill in the blank.
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Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
How many electrons are required or released by each atom in calcium oxide to attain the nearest noble gas configuration?
How does the Modern atomic theory contradict and correlate with Dalton's atomic theory?
Five atoms are labeled A to E
|
Atoms |
Mass No |
Atomic No. |
|
A |
40 |
20 |
|
B |
19 |
9 |
|
C |
7 |
3 |
|
D |
16 |
8 |
|
E |
14 |
7 |
(a) Which one of these atoms:
(i) contains 7 protons
(ii) has electronic configuration 2,7
(b) Write down the formula in the compound formed between C and D
(c) Predict : (i) metals (ii) non-metals
Draw orbit structure diagram of calcium oxide (CaO).
Compare :
Sodium atom and sodium ion
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidizing agent.
