The electrolytes usually used in the electroplating of gold and silver,respectively,are

  • A
    $[Au(CN)_2]^-$ and $[Ag(CN)_2]^-$
  • B
    $[Au(CN)_2]^-$ and $[AgCl_2]^-$
  • C
    $[Au(OH)_4]^-$ and $[Ag(OH)_2]^-$
  • D
    $[Au(NH_3)_2]^+$ and $[Ag(CN)_2]^-$

Explore More

Similar Questions

Assign the correct code for Column-$I$ and Column-$II$:
Column-$I$ (Coordination compound) Column-$II$ (Central metal atom)
$(a)$ Chlorophyll $(p)$ Rhodium
$(b)$ Blood pigment $(q)$ Cobalt
$(c)$ Wilkinson catalyst $(r)$ Calcium
$(d)$ Vitamin $B_{12}$ $(s)$ Iron
$(t)$ Magnesium

Assertion: $AgCl$ dissolves in $NH_4OH$ solution.
Reason: Due to formation of a complex.

Assign $A, B, C, D$ from the given type of reaction.
$NiCl_2 + 2dmg \xrightarrow{NH_4OH} Ni(dmg)_2 \downarrow$

Which of the following is considered to be an anticancer species?

The metal present in $Vitamin \ B_{12}$ is

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo