JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyApplication

JEE Main 27 July 2022, Shift 2, Chemistry Q67

Question 67 of 90 in this shift, Chemistry question 7 of 30, Section A.

An element A of group 1 shows similarity to an element B belonging to group 2. If A has maximum hydration enthalpy in group 1 then B is :

(1)MgOfficial answer
(2)Be
(3)Ca
(4)Sr

Official answer

Option 1

NTA final key.

Chapter: The s-Block Elements
Topic: s-Block Elements
Idea tested: Diagonal Relationship

Same idea in other shifts

Asked 4× in all

9 Jan 2020, Shift 2 · Q34Among the statements (a)-(d), the correct ones are : (a) Lithium has the highest hydration enthalpy among the alkali metals. (b) Lithium…MediumOther
3 Sep 2020, Shift 2 · Q34Among the statements (I $-$ IV), the correct ones are : (I) Be has smaller atomic radius compared to Mg. (II) Be has higher ionization…MediumSingle correct
2 Apr 2017 (offline) · Q41Both lithium and magnesium display several similar properties due to the diagonal relationship; however, the one which is incorrect, is :MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.