Q. Pt black is
A) Pt metal mixed with $MnO_{2}$
B) Velvety black power obtained by reduction of $PtCl_{4}$ with glucose or sodium formate
C) Pt metal coated with black colour
D) None of the above
Explanation
The correct answer is Option B: Velvety black power obtained by reduction of $PtCl_{4}$ with glucose or sodium formate.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.