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प्रश्न
Identify the following reaction as either oxidation or reduction:
O + 2e- → O2-
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उत्तर
Reduction
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संबंधित प्रश्न
Give electron dot diagram of the following:
nitrogen
Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
State the following is a reduction reaction or oxidation reaction.
\[\ce{A^3+ + e- -> A^2+}\]
State one observation which shows that atom is not indivisible.
What do you think would be the observation of `alpha` particle scattering experiment if carried out on (i) heavy nucleus like platinum (ii) light nuclei like litheum.
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
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidation.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
______ theory explains the formation of molecules.
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
