Choose the correct statements from the following:
$A$. $Mn_2O_7$ is an oil at room temperature.
$B$. $V_2O_4$ reacts with acid to give $VO^{2+}$ ions.
$C$. $CrO$ is a basic oxide.
$D$. $V_2O_5$ does not react with acid.
Choose the correct answer from the options given below:
$A$. $Mn_2O_7$ is an oil at room temperature.
$B$. $V_2O_4$ reacts with acid to give $VO^{2+}$ ions.
$C$. $CrO$ is a basic oxide.
$D$. $V_2O_5$ does not react with acid.
Choose the correct answer from the options given below:
- A$A, B$ and $D$ only
- B$A$ and $C$ only
- C$A, B$ and $C$ only
- D$B$ and $C$ only
Explore More
Similar Questions
Which one of the following sulphides is yellow?
Medium
View SolutionMatch the aqueous solutions given in List-$I$ with their colors given in List-$II$:
List-$I$ (Aqueous solution of salt) List-$II$ (Color) $A$. $FeSO_4 \cdot 7H_2O$ $i$. Green $B$. $NiCl_2 \cdot 4H_2O$ $ii$. Pale pink $C$. $MnCl_2 \cdot 4H_2O$ $iii$. Blue $D$. $CoCl_2 \cdot 6H_2O$ $iv$. Light green $E$. $Cu_2Cl_2$ $v$. Pink $vi$. Colorless
| List-$I$ (Aqueous solution of salt) | List-$II$ (Color) |
| $A$. $FeSO_4 \cdot 7H_2O$ | $i$. Green |
| $B$. $NiCl_2 \cdot 4H_2O$ | $ii$. Pale pink |
| $C$. $MnCl_2 \cdot 4H_2O$ | $iii$. Blue |
| $D$. $CoCl_2 \cdot 6H_2O$ | $iv$. Light green |
| $E$. $Cu_2Cl_2$ | $v$. Pink |
| $vi$. Colorless |
Medium
View SolutionWhen potassium permanganate $(KMnO_4)$ is heated at $513 \ K$,it decomposes to form two manganese-based products. The physical properties of the product in which manganese has a higher oxidation state than the other are:
DifficultTS EAMCET 2022
View SolutionWhen $XO_2$ is fused with an alkali metal hydroxide in the presence of an oxidizing agent such as $KNO_3$,a dark green product is formed which disproportionates in an acidic solution to afford a dark purple solution. $X$ is
DifficultJEE MAIN 2018
View SolutionSuperconductors are derived from compounds of
Easy
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