Chemistry - s Block Elements
Practise 11 COMEDK previous year questions on s Block Elements, compiled from papers spanning 2013 to 2023. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty COMEDK tests.
s Block Elements has been asked in 7 of the 15 years of COMEDK papers analysed (2012–2026), with 11 questions in all. 55% of them were easy, 36% moderate and 9% tough. Most of its questions came from 2013, with 3 questions that year.
The chapter's 5 topics are not weighted equally: Compounds of Alkali Metals (3 questions, 27%), General Characteristics of Alkali Metals (3 questions, 27%), and Properties of S-block elements (3 questions, 27%) have been asked the most. Over the last five years the most frequent topics have been General Characteristics of Alkali Metals (1). Compounds of Alkaline Earth Metals has produced the most tough questions (1).
- 1Choose the incorrect statement.2023 (Evening Shift)General Characteristics of Alkali Metals
- 2Among the alkali metals caesium is the most reactive because2018General Characteristics of Alkali Metals
- 3During the fusion of an organic compound with sodium metal, nitrogen of the compound is converted into2018Compounds of Alkali Metals
- 4When carbon monoxide is passed over solid caustic soda heated to , it forms2017Compounds of Alkali Metals
- 5Which metal has a greater tendency to form metal oxide?2017Alkaline Earth Metals
- 6The main product obtained when a solution of sodium carbonate reacts with mercuric chloride is2016Compounds of Alkali Metals
- 7is an important component of2015Properties of S-block elements
- 8Sodium dissolves in liquid to give a deep blue solution. This is due to2014General Characteristics of Alkali Metals
- 9A colourless crystalline salt is soluble in dilute . On adding solution, it gives a white precipitate which is insoluble in excess of is2013Compounds of Alkaline Earth Metals
- 10Railway wagon axles are made by heating iron rods embedded in charcoal powder. This process is known as2013Properties of S-block elements
- 11Thomas slag is2013Properties of S-block elements
Frequently Asked Questions
1.How many questions are available for s Block Elements?
This chapter includes 11 questions compiled from COMEDK papers spanning 2013 to 2023.
2.Are these questions only from COMEDK, or from other exams too?
These are COMEDK questions specifically for the s Block Elements chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is s Block Elements an important chapter for COMEDK Chemistry?
s Block Elements has appeared in 7 of the 15 years of COMEDK papers covered here, with 11 questions across 7 papers - about 2 per paper it appears in.
4.What is the difficulty level of s Block Elements questions in COMEDK?
Of the 11 questions analysed for this chapter, 55% are easy, 36% moderate and 9% tough. 2013 had the most, with 3 questions.
5.Which topics in s Block Elements should I focus on?
These topics have carried the most weightage in s Block Elements:
- Compounds of Alkali Metals - 3 questions (27%)
- General Characteristics of Alkali Metals - 3 questions (27%)
- Properties of S-block elements - 3 questions (27%)
- Compounds of Alkaline Earth Metals has produced the most tough questions (1).