One mole of glucose was added to 1.0L of water (density = 1 g mL$^{-1}$). The elevation in boiling point is $x$ K$_b$. The value of $x$ is ________. (Nearest integer) (K$_b$ is molal elevation constant for water.)

JEE Main 2021 · ChemistryNumerical answerNumerical valueEasyCalculation

JEE Main 4 August 2021, Shift 1, Chemistry Q54

Question 54 of 90 in this shift, Chemistry question 24 of 30, Section B.

One mole of glucose was added to 1.0L of water (density = 1 g mL

^{-1}

). The elevation in boiling point is

x

_b

. The value of

x

is ________. (Nearest integer) (K

_b

is molal elevation constant for water.)

Official answer

NTA final key.

Chapter: Solutions
Topic: Colligative Properties
Idea tested: Boiling Point Elevation

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Asked 13× in all

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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.