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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
Five atoms are labelled from 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 an electronic configuration 2, 7?
(b) Write down the formula of the compound formed between C and D.
(c) predict which are: (i) metals, (ii) non-metals?
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
A Compound 'X' consists of only molecules. Hence 'X' will have
State the following is a reduction reaction or oxidation reaction.
\[\ce{Fe^2+ - e- -> Fe^3+}\]
Name an element which does not contain neutron.
Give reason
Argon does not react.
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.
State the type of bonding in the following molecules.
Calcium oxide
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
An atom X with atomic number 20 combines with atom Y with atomic number 8. Draw the dot structure for the formation of the molecule XY.
