Multiple choice

Which of the following statements are true?

P. PdCl2 is used in Wacker process for preparation of ethanal. Q. Lanthanides are silvery white metals because of d-d transition. R. Mischmetal is an alloy of rare earth elements. S. The percentage of silver in German silver is about 10%.

  1. P and Q

  2. P and S

  3. P and R

  4. Q and S

  5. R and S

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is correct.