Advertisements
Advertisements
Question
In the formation of magnesium chloride (by direct combination between magnesium and chlorine), name the substance that is oxidized and the substance that is reduced.
Solution
Magnesium is oxidised and chlorine is reduced.
APPEARS IN
RELATED QUESTIONS
Define a chemical bond.
Match the column A with Column B.
Column A |
Column B |
(i) Sodium chloride (ii) Ammonium ion (iii) Carbon tetrachloride |
Covalent bond Ionic bond Covalent and coordinate bond |
Write the formula of its (X)
sulphate
nitrate
phosphate
carbonate
hydroxide.
Draw orbit structure diagram of sodium chloride (NaCl).
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reducing agent.
Give the orbital diagram of the following:
Nitrogen
Five atoms are labelled V to Z
Atoms | Mass Number | Atomic Number |
V | 40 | 20 |
W | 19 | 9 |
X | 7 | 3 |
Y | 16 | 8 |
Z | 14 | 7 |
- Which one of these atoms
(1) contains 7 protons;
(2) has an electronic configuration 2, 7? - Write down the formula of the compound formed by atoms X and Y.
______ is the only noble gas that does not have eight electrons in its valence shell.
Match the following:
1. | Atomic bond | a. | Oxygen and hydrogen |
2. | Atoms with different electronegativities | b. | acceptor bond |
3. | An atom that accepts electron pair | c. | covalent bond |
4. | Rusting of iron | d. | donor atom |
5. | An atom that provides electron pair | e. | oxidation |
f. | ionic bond |
How many atoms of each kind are present in the following molecule:
carbon tetrachloride