Class 9 Chemistry · Chapter 9 · Test 2

Group 17 Elements

25 MCQs covering group 17 halogens their electronic configuration reactivity physical states oxidising properties displacement reactions and trends in reactivity boiling point and melting point.

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

Question 1
What are the elements of group 17 called
- AAlkali metals
- BHalogens
- CNoble gases
- DTransition metals
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Answer: B
Group 17 elements are called halogens which means salt forming elements.
Question 2
How many electrons do group 17 elements have in their outermost shells
- AOne
- BTwo
- CFive
- DSeven
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Answer: D
Group 17 elements have seven electrons in their outermost shells.
Question 3
What is the general electronic configuration of the outermost shell of group 17 elements
- Ans1
- Bns2
- Cns2np5
- Dns2np6
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Answer: C
The outermost configuration of group 17 elements is ns2np5.
Question 4
What is the main tendency of group 17 elements
- ATo lose one electron
- BTo accept one electron
- CTo lose seven electrons
- DTo have no reaction
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Answer: B
Halogens have a strong tendency to accept one electron and form anions.
Question 5
What type of molecules do halogens exist as
- AMonoatomic molecules
- BDiatomic molecules
- CTriatomic molecules
- DPolyatomic molecules
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Answer: B
Halogens exist as diatomic molecules.

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