Exams › JEE Main › Chemistry

In hypophosphorous acid, how many hydrogen atoms are directly bonded to the phosphorus atom?

1. three
2. one
3. two
4. zero

Correct answer: two

Solution

Hypophosphorous acid contains a phosphorus atom that is bonded to two hydrogen atoms and one hydroxyl group, resulting in a total of two hydrogen atoms directly attached to the phosphorus.

Related JEE Main Chemistry questions

• Which of the following arrangements shows the decreasing order of acidic nature?
• Which one of the following oxides shows amphoteric behaviour?
• In boric acid (H₃BO₃), the hybridization states of the boron atom and the oxygen atoms are, respectively,
• A xenon fluoride compound contains 53.5% xenon by mass. What oxidation state does xenon have in this compound?
• For a cement of good quality, what should be the approximate ratios of the following? I. Silica to alumina II. CaO to the combined oxides of SiO2, Al2O3 and Fe2O3
• Because the ns² electrons of the valence shell do not readily take part in bonding, which statement is correct?

⚔️ Practice JEE Main Chemistry free + battle 1v1 →