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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:
methane
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
Name the following:
The shell closest to the nucleus of an atom
Explain
Duplet rule for the formation of hydrogen
What do you understand by redox reactions?
State the type of bonding in the following molecules.
Water,
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^40_20Ca}\]
The element that would form cation due to the loss of electrons during the chemical reaction is ______.
______ is the only noble gas that does not have eight electrons in its valence shell.
