New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Some Basic Concepts of Chemistry question

2024 · 1 Feb · Shift 1 · Q25

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Chemistry
Some Basic Concepts of Chemistry
2024 · 1 Feb · Shift 1 · Q25

Some Basic Concepts of Chemistry question

2024 · 1 Feb · Shift 1 · Q25

JEE MainChemistrySome Basic Concepts of ChemistryNumerical+4 / −1

Consider the following reaction :

3 \mathrm{PbCl}_2+2\left(\mathrm{NH}_4\right)_3 \mathrm{PO}_4 \rightarrow \mathrm{Pb}_3\left(\mathrm{PO}_4\right)_2+6 \mathrm{NH}_4 \mathrm{Cl}

If

72 ~\mathrm{mmol}

of

\mathrm{PbCl}_2

is mixed with

50 ~\mathrm{mmol}

of

\left(\mathrm{NH}_4\right)_3 \mathrm{PO}_4

, then the amount of

\mathrm{Pb}_3\left(\mathrm{PO}_4\right)_2

formed is

\underline{\hspace{2cm}}

mmol (nearest integer).

Numerical answer

More from Some Basic Concepts of Chemistry

$10 mL$ of gaseous hydrocarbon on combustion gives $40 mL$ of $CO_{2} (g)$ and $50 mL$ of water vapour. Total number of carbon and hydrogen atoms in the hydrocarbon is…2024 · Numerical
The Molarity (M) of an aqueous solution containing $5.85 g$ of $NaCl$ in $500 mL$ water is : (Given : Molar Mass $Cl : 35.5 gmol^{- 1}$ and $Cl : 35.5 gmol^{- 1}$ )2024 · MCQ
$Xg$ of ethylamine is subjected to reaction with $NaNO_{2} / HCl$ followed by water; evolved dinitrogen gas which occupied $2.24 L$ volume at STP. X is $\times 1 0^{- 1} g$ …2024 · Numerical
From $6.55 g$ of aniline, the maximum amount of acetanilide that can be prepared will be $\times 1 0^{- 1} g$ .2024 · Numerical
An organic compound has $42.1%$ carbon, $6.4%$ hydrogen and remainder is oxygen. If its molecular weight is 342 , then its molecular formula is :2024 · MCQ
The number of moles of methane required to produce $11 g CO_{2} (g)$ after complete combustion is : (Given molar mass of methane in $g mol^{- 1} : 16$ )2024 · MCQ
The density of ' $x$ ' $M$ solution (' $x$ ' molar) of $NaOH$ is $1.12 g mL^{- 1}$ , while in molality, the concentration of the solution is $3 m$ ( 3 molal). Then $x$ is (Given : Molar mass of $NaOH$ …2024 · MCQ
Molality $(m)$ of $3 M$ aqueous solution of $NaCl$ is : (Given : Density of solution $= 1.25 g mL^{- 1}$ , Molar mass in $g mol^{- 1} : Na - 23, Cl - 35.5$ )2024 · MCQ