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p-Block Elements Group 17 and 18 NEET MCQ & Practice Questions

Practice p-Block Elements Group 17 and 18 MCQs for NEET Chemistry with answers, explanations, chapter revision and related ChemNexa mock tests.

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p-Block Elements Group 17 and 18 Revision Guide for NEET Chemistry

p-Block Elements covers periodic trends, structures, oxidation states and important compounds of groups 13 to 18 depending on the syllabus. Questions often test trends together with exceptions.

For NEET Chemistry, organise revision group-wise and compare oxidation states, acidic or basic character, anomalous behaviour, structures and important reactions.

Important Topics

  • Group-wise periodic trends
  • Anomalous behaviour of first elements
  • Oxidation states and inert-pair effect
  • Structures of important compounds
  • Acidic and basic character
  • Important reactions and uses

Revision Tip

Create a one-page summary of trends, structures, reactions, exceptions and key terminology for p-Block Elements Group 17 and 18, then test recall with mixed MCQs.

What to practise in p-Block Elements Group 17 and 18

Concept Revision

Revise definitions, principles, equations, trends and core ideas from p-Block Elements Group 17 and 18 before attempting MCQs.

Exam-style MCQs

Use chapter-focused multiple-choice practice to improve accuracy, recall and application for NEET Chemistry.

Performance Practice

Attempt ChemNexa tests, review results and return to weak areas for another round of targeted revision.

Top 5 p-Block Elements Group 17 and 18 MCQs with Answers

These public questions are selected from the exact p-Block Elements Group 17 and 18 chapter, screened for topic relevance and deduplicated so repeated versions of the same MCQ are not shown publicly. Use them for quick revision, then sign in to attempt the complete test experience with more questions, results and performance review.

NEET Chemistry · p-Block Elements Group 17 and 18 · Very Very Hard

1. Halogens have valence configuration:

  • A. ns2np6
  • B. ns2np4
  • C. ns1
  • D. ns2np5
Answer: D
Explanation: Group 17 elements have seven valence electrons.

NEET Chemistry · p-Block Elements Group 17 and 18 · Very Very Hard

2. Most electronegative halogen is:

  • A. I
  • B. F
  • C. Cl
  • D. Br
Answer: B
Explanation: Fluorine is most electronegative.

NEET Chemistry · p-Block Elements Group 17 and 18 · Very Very Hard

3. Noble gases are generally unreactive due to:

  • A. Closed valence shell
  • B. Low ionisation energy
  • C. One valence electron
  • D. Large size only
Answer: A
Explanation: Closed-shell configuration is stable.

NEET Chemistry · p-Block Elements Group 17 and 18 · Very Very Hard

4. Cl2 in water can show:

  • A. Disproportionation
  • B. Only reduction
  • C. Only oxidation
  • D. No redox
Answer: A
Explanation: Chlorine forms HCl and HOCl.

NEET Chemistry · p-Block Elements Group 17 and 18 · Very Very Hard

5. XeF4 shape is:

  • A. Tetrahedral
  • B. Trigonal planar
  • C. Square planar
  • D. Linear
Answer: C
Explanation: Two lone pairs occupy opposite positions in octahedral electron geometry.

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p-Block Elements Group 17 and 18 Practice Tests

p-Block Elements Group 17 and 18 Frequently Asked Questions

How should I memorise p-Block Chemistry?

Use comparison tables by group and focus on trends, important exceptions, structures and reactions instead of memorising disconnected facts.

Why are exceptions important in p-Block questions?

Small size, high electronegativity, absence of d orbitals in second-period elements and inert-pair effects create frequently tested deviations from simple trends.

What is a good revision method for p-Block?

Revise one group at a time, write the common oxidation states and key compounds, then immediately solve targeted MCQs.

Continue with another chapter to build connected concepts and strengthen your overall Chemistry preparation.

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