The oxidation state of phosphorus in hypophosphoric acid is + _____
Correct answer is 4

The molecular structure of hypophosphoric acid (\(\text{H}_4\text{P}_2\text{O}_6\)) is given by:

This structure shows two phosphorus atoms bonded to oxygen atoms and hydroxyl groups. The oxidation state of phosphorus (P) in hypophosphoric acid is +4, which is determined by considering the bonding of phosphorus with oxygen and hydrogen atoms in the molecule.
The oxidation state is essential for understanding the reactivity and the acidic nature of the compound.
If a random variable \( x \) has the probability distribution 
then \( P(3<x \leq 6) \) is equal to
An infinitely long straight wire carrying current $I$ is bent in a planar shape as shown in the diagram. The radius of the circular part is $r$. The magnetic field at the centre $O$ of the circular loop is :
