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Mole Concept

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2023
The mass of NH3 produced when 131.8 kg of cyclohexanecarbaldehyde undergoes Tollen's test is ____ kg. (Nearest Integer) Molar Mass of C = 12g/mol N...
JEE Main Chemistry Medium
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Q JEE MAIN 2023
The molality of a 10\% ( $\mathrm{v} / \mathrm{v}$ ) solution of di-bromine solution in CC14 (carbon tetrachloride) is ' x '. $\mathrm{x}=$ $\_\_\_\_$ $...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
The strength of 50 volume solution of hydrogen peroxide is $\_\_\_\_$ $\mathrm{g} / \mathrm{L}$ (Nearest integer). Given: Molar mass of $\mathrm{H}_2 \mathrm{O}_2$ is $...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
Number of hydrogen atoms per molecule of a hydrocarbon A having 85.8% carbon is _________ (Given : Molar mass of A = 84 g mol–1)
JEE Main Chemistry Easy
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Q JEE MAIN 2023
When 0.01 mol of an organic compound containing $60 \%$ carbon was burnt completely, 4.4 g of CO2was produced. The molar mass of compound is...
JEE Main Chemistry Medium
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Q JEE MAIN 2023
When a hydrocarbon A undergoes combustion in the presence of air, it requires 9.5 equivalents of oxygen and produces 3 equivalents of water. What is...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
What is the mass ratio of ethylene glycol (C2H6O2, molar mass = 62 g/mol) required for making 500 g of 0.25 molal aqueous solution and...
JEE Main Chemistry Medium
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Q JEE MAIN 2023
In Chromyl chloride, the oxidation state of chromium is (+) ____.
JEE Main Chemistry Easy
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Q JEE MAIN 2023
Given below are two statements :- Statement I: In froth floatation method a rotating paddle agitates the mixture to drive air out of it. Statement...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
The volume (in mL ) of $0.1 \mathrm{M} \mathrm{AgNO}_3$ required for complete precipitation of chloride ions present in 20 mL of 0.01 M solution of...
JEE Main Chemistry Medium
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