Q. Alkali metals act as

A) Good dehydrating agent
B) Good reducing agent
C) Good oxidising agent
D) None of these
Explanation

(b)
Alkali metals have only one electron in their ultimate shell, hence they can easily donate electron and act as reductant e.g.,
$\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Fe_{2}O_{3} + 6Na\ \rightarrow 2Fe + 2Na_{2}O$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.