NEET UG · Chemistry · The s-Block Elements

Alkaline Earth Metals: NEET previous year questions

This topic’s chapter, The s-Block Elements, is not in the NEET UG 2026 syllabus. It had 6 questions from 2017 to 2023; they are kept here for reference.

Asked in 10 years: 6; about 0.6 per paper
Years asked: 4/10; last asked 2023
Syllabus: Dropped; not in NEET UG 2026
Last asked: 2023; 3 papers ago

Key findings

01
Asked in 4 of 10 papers, 6 questions in all: #143 of 204 topics by ten-year total. It comes back every 1.7 years on average. Last asked in 2023.
02
83% of its questions since 2018 tested an idea never asked before; none repeated an idea from the year before.
03
The most repeated idea is Biological Role of Mg and Ca, asked 2 times (2019, 2023), usually as “true statement selection on biological role of s-block ions”.
04
NEET has asked 5 of the 77 ideas in this topic; 72 have never been asked, directly or indirectly.
05
Mostly asked as one-line MCQ (100%); 83% easy, 0% hard, and down from 0.8 to 0.0 questions a paper since 2024.

Questions per year

Up to 2023: 0.8; per paper
Since 2024: 0.0; -0.8
Usual gap: 1.7 yrs; between papers asking it
Swing: ±0.8; questions, year to year

How it is asked

Difficulty, format and skill

Across all 6 questions on Alkaline Earth Metals since 2017.

Difficulty

QUESTIONS

Easy5 · 83%
Medium1 · 17%
Hard0 · 0%

Format

One-line MCQ · 6 Q100%

Skill tested

Recall · 4 Q67%
Concept · 2 Q33%

Repeats

New idea, or one asked before?

Each column is a paper. Blue questions tested an idea NEET had not asked before; navy ones went back to an idea from an earlier paper. 2017 is the first paper, so everything in it counts as new.

’17’18’19’20’21’22’23’24’25’26

Idea asked for the first time
Idea asked in an earlier paper

Coverage of the topic

NEET has asked 5 of the 77 ideas in this topic. 72 have never been asked yet.

Asked directly5 · 6%
Touched inside another question0 · 0%
Never asked72 · 94%

Ideas come from Lumi’s syllabus map of NCERT. A never-asked idea is not a safe skip: most new questions come from exactly these.

Drill down

Idea, year, question

Every idea NEET tested in this topic, with its ten papers. Open one to read the questions.

ideaAskedShareYears’17’18’19’20’21’22’23’24’25’26

Repeated2 · 33%33%2/10
- 2023 · Q67
  Which one of the following statements is correct?
  mediumOne-line MCQ
- 2019 · Q54
  Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is :
  easyOne-line MCQNew idea
1 · 17%17%1/10
1 · 17%17%1/10
1 · 17%17%1/10
1 · 17%17%1/10

Squares are the ten papers, 2017 to 2026; darker means more questions. Share is of the level above.

Ideas

Every idea inside this topic

5 different ideas were tested; 1 came more than once. Anomalous Behavior of Beryllium is the foundation for 19 other ideas in the syllabus.

Biological Role of Mg and Ca2×
true statement selection on biological role of s-block ions
One-line MCQ · 4% next
Anomalous Behavior of Beryllium1×
identify covalent halide among s-block
One-line MCQ · 4% next · foundation for 19
Structure of Beryllium Chloride1×
identify structure in solid and vapour phase
One-line MCQ · 4% next
Amphoteric Nature of BeO and Be(OH)21×
identify example of a compound property
One-line MCQ · 4% next · foundation for 1
Amphoteric Nature of Beryllium Oxides and Hydroxides1×
most acidic oxide in group
One-line MCQ · 4% next · foundation for 1

Idea	Times	Format	Chance next	Foundation for
Biological Role of Mg and Catrue statement selection on biological role of s-block ions	2	One-line MCQRecall	4%	–
Anomalous Behavior of Berylliumidentify covalent halide among s-block	1	One-line MCQConcept	4%	19 ideas
Structure of Beryllium Chlorideidentify structure in solid and vapour phase	1	One-line MCQRecall	4%	–
Amphoteric Nature of BeO and Be(OH)2identify example of a compound property	1	One-line MCQRecall	4%	1 ideas
Amphoteric Nature of Beryllium Oxides and Hydroxidesmost acidic oxide in group	1	One-line MCQConcept	4%	1 ideas

Chance next is the historical rate at which an idea with this record came back in the following paper. It is low for every idea, which is why learning the topic beats memorising past questions. All repeated ideas

Every question

Alkaline Earth Metals questions, year by year

The opening words of each question as it appeared in the official paper, with the idea it tested.

NEET 20231 question

Q67
Which one of the following statements is correct?
Idea: Biological Role of Mg and Ca
MediumOne-line MCQ

NEET 20212 questions

Q55
The structures of beryllium chloride in solid state and vapour phase, are :
Idea: Structure of Beryllium Chloride
New ideaEasyOne-line MCQ
Q60
Among the following alkaline earth metal halides, one which is covalent and soluble in organic solvents is :
Idea: Anomalous Behavior of Beryllium
New ideaEasyOne-line MCQ

NEET 20192 questions

Q54
Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is :
Idea: Biological Role of Mg and Ca
New ideaEasyOne-line MCQ
Q83
Which of the following is an amphoteric hydroxide ?
Idea: Amphoteric Nature of BeO and Be(OH)2
New ideaEasyOne-line MCQ

NEET 20181 question

Q58
Which of the following oxides is most acidic in nature ?
Idea: Amphoteric Nature of Beryllium Oxides and Hydroxides
New ideaEasyOne-line MCQ

Questions from the official NEET UG papers published by NTA (CBSE before 2019). Topic and idea tags, counts and notes are Lumi’s.