Engineering Chemistry Photochemical Reactions Online Exam Quiz
Engineering Chemistry Photochemical Reactions GK Quiz. Question and Answers related to Engineering Chemistry Photochemical Reactions. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Photochemical Reactions
Which of the following are the principle laws of photochemistry?
Options
A : Grothus-Draper and Stark-Einstein law
B : Raoult’s and Dalton’s law
C : Raoult’s and Henry’s law
D : Lambert’s and Beer’s law
Mercaptans can be produced by photochemical addition of ______ to alpha olefins.
Options
A : hydrogen sulphide
B : sulphur
C : hydrogen
D : paraffins
Ozone is formed by ______ dissociation of molecular oxygen into individual oxygen atoms.
Options
A : photochemical
B : thermochemical
C : thermal
D : ionic
The reactions which are caused by heat and in absence of light is called _____
Options
A : Photochemical reactions
B : Dark reactions
C : Reversible reaction
D : Reversible photochemical reaction
In _____ reactions, molecules absorbing light do not themselves react but induce other molecules to react.
Options
A : Photosensitized
B : Thermal
C : Irreversible
D : Dark
Which of the following is an example of photochemical reaction?
Options
A : Photosynthesis
B : Decomposition of ammonia
C : Formation of NaOH
D : Decomposition of HCl
Vision is initiated by a photochemical reaction of ______
Options
A : Rhodopsin
B : Hydrogen Chloride
C : Mercapton
D : Enzymes
Medicine bottles are often made with darkened glass _______
Options
A : to prevent the drug from photodegradation
B : to allow the photodegradation of drug
C : to reduce the cost
D : to allow oxidation of drug
In photochemical reactions, the presence of light is not required for the reaction to take place.
Options
A : true
B : false
C :
D :
In photochemical reactions, absorption of _____ radiations takes place.
Options
A : ultraviolet and visible
B : radio
C : only visible
D : visible and x-rays
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