Chemistry P Block Elements Oxoacids Phosphorus Online Exam Quiz
Chemistry P Block Elements Oxoacids Phosphorus GK Quiz. Question and Answers related to Chemistry P Block Elements Oxoacids Phosphorus. MCQ (Multiple Choice Questions with answers about Chemistry P Block Elements Oxoacids Phosphorus
What is the oxidation state of phosphorus in hypophosphoric acid?
Options
A : +1
B : +2
C : +3
D : +4
What is the range of the oxidation states shown by phosphorus in its oxoacids?
Options
A : +1 to +3
B : +2 to +4
C : +1 to +2
D : +1 to +5
How many P-H bonds does hypophosphorous acid contain?
Options
A : 1
B : 2
C : 3
D : 4
What is the total number of atoms or groups surrounding each phosphorus atom in its oxoacids?
Options
A : 5
B : 6
C : 3
D : 4
What is the temperature at which orthophosphoric acid forms pyrophosphoric acid?
Options
A : 673 K
B : 523 K
C : 423 K
D : 700 K
Which of the following is incorrect about Hypophosphorous acid?
Options
A : It is also called phosphonic acid
B : The oxidation state of phosphorus is +1
C : It is monobasic
D : It is represented by the formula H3PO2
What is the basicity of pyrophosphoric acid?
Options
A : Monobasic
B : Tribasic
C : Dibasic
D : Tetrabasic
Which of the following compounds contain phosphorus with an oxidation state of +5?
Options
A : Peroxodiphosphoric acid
B : Hypophosphorous acid
C : Orthophosphorous acid
D : Hypophosphoric acid
Orthophosphorous acid can be made from phosphorous trioxide.
Options
A : True
B : False
C :
D :
Phosphorus does not form oxoacids.
Options
A : True
B : False
C :
D :
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