Entry Test MCQ :: The Halogens and The Noble Gases
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1. |
Among the halogens the rare element is |
A. |
Fluorine |
B. |
Chlorine |
C. |
Astatine |
D. |
Iodine |
Answer: Option C
Explanation:
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2. |
The colour of chlorine gas is |
A. |
pale yellow |
B. |
freenish yellow |
C. |
reddish brown |
D. |
grayish black |
Answer: Option B
Explanation:
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3. |
Vander Waals forces are stronger in |
Answer: Option D
Explanation:
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4. |
The most powerful oxidizing agent among the halogens is |
Answer: Option A
Explanation:
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5. |
Which of the following statements is incorrect about fluorine |
A. |
fluorine is restricted to -1 oxidation state |
B. |
fluorine follows octet rule and as well as extended octet rule |
C. |
fluorine has lowest dissociation energy among the halogens |
D. |
both b and c |
Answer: Option D
Explanation:
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6. |
The halogen which reacts spontaneously with gold (Au) to form Au+3 is |
Answer: Option B
Explanation:
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7. |
Which one of the following is the weakest acid in water |
Answer: Option A
Explanation:
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8. |
The halogen which reacts very slowly with halogen is |
A. |
Fluorine |
B. |
Chlorine |
C. |
Bromine |
D. |
Iodine |
Answer: Option D
Explanation:
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9. |
Which of the following represents the correct electronic configuration of VII A group elements in the ground state? |
Answer: Option C
Explanation:
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10. |
The halogen having highest electron affinity is |
A. |
Fluorine |
B. |
Chlorine |
C. |
Bromine |
D. |
Iodine |
Answer: Option B
Explanation:
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