Copper sulphate dissolves in excess of $KCN$ to give
- A$CuCN$
- B$[Cu(CN)_4]^{3-}$
- C$[Cu(CN)_4]^{2-}$
- D$Cu(CN)_2$
Explore More
Similar Questions
The simplest and most primitive embryophytes are ......
The number of common tangents to the two circles $x^2+y^2-8x+2y=0$ and $x^2+y^2-2x-16y+25=0$ is:
Which of the following is a characteristic test for the phenolic group?
The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements is involved in this reaction?
Which of the following reactions is possible at the anode?
Vedclass 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