Platinum, Palladium and Iridium are called noble metals because

  • A
    Alfred Nobel discovered them
  • B
    They are shining lustrous and pleasing to look at
  • C
    They are found in native state
  • D
    They are inert towards many common reagents.

Explore More

Similar Questions

Transition metals are often paramagnetic owing to

The decrease in atomic volume from $Cr$ to $Cu$ in the $3d$ series is very negligible because:

Number of electrons present in $4f$ orbital of $Ho^{3+}$ ion is $.....$
(Given Atomic No. of $Ho=67$)

The element having general electronic configuration $3d^4 4s^1$ is

Which of the following elements is alloyed with copper to form brass?

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