The number of hydroxyl (OH) groups present in phosphorus acid is
A. one
B. two
C. three
D. four
Answer: Option B
This Question Belongs to Engineering Chemistry >> S Block And P Block Elements
Related Questions on S Block and P Block Elements
The reaction of solid XeF2 with AsF5 in 1 : 1 ratio affords
A. XeF4 and AsF3
B. XeF6 and AsF3
C. [XeF]+ [AsF6]-
D. [Xe2F3] [AsF6]-
A. B3N3H3
B. B3N3H6
C. B3N3H12
D. [BH ... NH]n
The first ionization potential of Mg, AI, P and S follows the order
A. Mg < AI < P < S
B. AI < Mg < P < S
C. AI < Mg < S < P
D. Mg < AI < S < P
Join The Discussion