Chemistry P Block Elements Phosphine Online Exam Quiz
Chemistry P Block Elements Phosphine GK Quiz. Question and Answers related to Chemistry P Block Elements Phosphine. MCQ (Multiple Choice Questions with answers about Chemistry P Block Elements Phosphine
Phosphine is prepared from which of the following methods?
Options
A : By reacting calcium phosphide with water or dilute HCl
B : By directly reacting phosphorous with hydrogen
C : By passing dry chlorine over P2H4
D : Heating while phosphorous with halides
What is the reaction involved in Holmes signal?
Options
A : Ca3P2 + 6H2O ? 2PH3 + 3Ca(OH) 2
B : Ca3P2 + 6H2O ? 2PH3 ? P2H4 + P4O6 and CaC2 + H2O ? C2H2
C : Ca3P2 + 6HCl ? 2PH3 + 3CaCl2
D : P4 + 3NaOH + 3H2O ? PH3 + 3NaH2PO2
Which of the following gas is used as Holmes signal?
Options
A : Hydrogen per oxide
B : Nitrogen
C : Acetylene
D : Phosphine
Which of the following is a property of phosphine?
Options
A : It is insoluble in water
B : It is inflammable
C : The solution of phosphine in water decomposes in the presence of light
D : It acts as a Lewis acid
Which of the following is not true about phosphine?
Options
A : Phosphine is a colorless gas
B : Phosphine has a rotten fish smell
C : Phosphine is inflammable
D : Phosphine is highly poisonous
Which of the following compounds react with water to give phosphine?
Options
A : Phosphorous trichloride
B : Phosphorous pentachloride
C : Black phosphorous
D : Aluminium phosphide
What is the hybridization of phosphine?
Options
A : sp2 hybridized
B : sp3 hybridized
C : sp hybridized
D : No hybridization
What is the structure of phosphine?
Options
A : Trigonal pyramidal
B : Trigonal bi-pyramidal
C : Rhombohedral
D : Pyramidal
Phosphine acts as a Lewis acid.
Options
A : True
B : False
C :
D :
Phosphine like ammonia has very high affinity for water.
Options
A : True
B : False
C :
D :
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Chemistry P Block Elements Nitric Acid
Chemistry P Block Elements Oxides Nitrogen
Chemistry P Block Elements Oxoacids Phosphorus
Chemistry P Block Elements Oxoacids Sulphur
Chemistry P Block Elements Ozone
Chemistry P Block Elements Phosphorus Allotropic Forms
Chemistry P Block Elements Phosphorus Halides
Chemistry P Block Elements Simple Oxides