Which of the following statements is not correct?
- A$K_2CO_3$ cannot be prepared by Solvay process because $KHCO_3$ is soluble in water.
- BThe alkali metals dissolve in liquid ammonia to give deep blue solutions forming ammoniated ions.
- CPure anhydrous $MgCl_2$ cannot be prepared by heating directly $MgCl_2 \cdot 6H_2O_{(s)}$.
- DSuspension of magnesium hydroxide in water is called milk of magnesia which is used as antacid in medicine.
Explore More
Similar Questions
What is the chemical formula for green vitriol?
Easy
View SolutionIdentify the reactions in which,upon heating,a diatomic gas is evolved,leaving behind a metallic residue.
$(A)$ $2NaN_{3(s)} \xrightarrow{\Delta} 2Na_{(s)} + 3N_{2(g)}$
$(B)$ $Ni(CO)_{4(g)} \xrightarrow{250^{\circ}C} Ni_{(s)} + 4CO_{(g)}$
$(C)$ $2KClO_{3(s)} \xrightarrow{\Delta} 2KCl_{(s)} + 3O_{2(g)}$
$(D)$ $2HgO_{(s)} \xrightarrow{\Delta} 2Hg_{(l)} + O_{2(g)}$
$(E)$ $NH_{4}NO_{2(s)} \xrightarrow{\Delta} N_{2(g)} + 2H_{2}O_{(g)}$
$(A)$ $2NaN_{3(s)} \xrightarrow{\Delta} 2Na_{(s)} + 3N_{2(g)}$
$(B)$ $Ni(CO)_{4(g)} \xrightarrow{250^{\circ}C} Ni_{(s)} + 4CO_{(g)}$
$(C)$ $2KClO_{3(s)} \xrightarrow{\Delta} 2KCl_{(s)} + 3O_{2(g)}$
$(D)$ $2HgO_{(s)} \xrightarrow{\Delta} 2Hg_{(l)} + O_{2(g)}$
$(E)$ $NH_{4}NO_{2(s)} \xrightarrow{\Delta} N_{2(g)} + 2H_{2}O_{(g)}$
Medium
View SolutionWhich of the following orders are correct against the stated property?
$I$) $NaO_2 < KO_2 < RbO_2 < CsO_2$ - stability
$II$) $Mg(OH)_2 < Ca(OH)_2 < Sr(OH)_2$ - basic strength
$III$) $MgCO_3 < CaCO_3 < SrCO_3$ - thermal stability
$I$) $NaO_2 < KO_2 < RbO_2 < CsO_2$ - stability
$II$) $Mg(OH)_2 < Ca(OH)_2 < Sr(OH)_2$ - basic strength
$III$) $MgCO_3 < CaCO_3 < SrCO_3$ - thermal stability
Match List-$I$ with List-$II$ :
List-$I$ (Elements) List-$II$ (Properties) $(a)$ $Ba$ $(i)$ Organic solvent soluble compounds $(b)$ $Ca$ $(ii)$ Outer electronic configuration $6s^2$ $(c)$ $Li$ $(iii)$ Oxalate insoluble in water $(d)$ $Na$ $(iv)$ Formation of very strong monoacidic base
Choose the correct answer from the options given below :
| List-$I$ (Elements) | List-$II$ (Properties) |
| $(a)$ $Ba$ | $(i)$ Organic solvent soluble compounds |
| $(b)$ $Ca$ | $(ii)$ Outer electronic configuration $6s^2$ |
| $(c)$ $Li$ | $(iii)$ Oxalate insoluble in water |
| $(d)$ $Na$ | $(iv)$ Formation of very strong monoacidic base |
Choose the correct answer from the options given below :
DifficultJEE MAIN 2021
View SolutionWhich of the following compounds gives oxygen on fast heating?
$I$. $AgNO_3$
$II$. $CaCO_3$
$III$. $Pb(NO_3)_2$
$IV$. $Na_2CO_3$
$I$. $AgNO_3$
$II$. $CaCO_3$
$III$. $Pb(NO_3)_2$
$IV$. $Na_2CO_3$
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo