$K_2Cr_2O_7$ on heating with aqueous $NaOH$ gives:
- A$CrO_4^{2-}$
- B$Cr(OH)_3$
- C$Cr_2O_7^{2-}$
- D$Cr(OH)_2$
Explore More
Similar Questions
Excess of $KI$ reacts with $CuSO_4$ solution and then $Na_2S_2O_3$ solution is added to it. Which of the statements is incorrect for this reaction?
MediumAIEEE 2004
View Solution$Orange-(A)$ (Inorganic compound) $+ H^{+} + H_2O_2 \to Blue-(B)$. The oxidation state of the central atom in compound $(B)$ is:
Medium
View SolutionWhich of the following alloys is used in the construction of the outer fuselage of ultra-high-speed aircraft?
Silver halides are used in photography because:
Easy
View Solution$A$ group of acidic oxides is
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