ETEA Per Engineering Papers

Q: The coordinates of the midpoint of the line segment whose and points are p1(-10, 4) P2 (7, -5) =

(a) :  [4, -1/2]
(b) :  [-3/2 , -1/2]
(c) :  [3/2, 1/2]
(d) :  None of the above
(e) :  None
Answer:  [-3/2 , -1/2]

Q: Metallic potassium could not be preapred from a potassium iodide solution by means of a chemical reducing agent because

(a) :  K is a strong reducing
(b) :  Metallic k is unstable
(c) :  K ion is strong oxidizing
(d) :  K is strong oxidant
(e) :  None
Answer:  K is strong oxidant

Q: The acid catalyzed dehydration mechanism of alcohols is best described by

(a) :  SN₁
(b) :  SN₂
(c) :  E₁
(d) :  E₂
(e) :  None
Answer:  E₁

Q: Which of the following compounds will not be easily oxidized?

(a) :  Aldehyde
(b) :  Primary alcohol
(c) :  Secodry alcohol
(d) :  Tertiary alcohl
(e) :  None
Answer:  Tertiary alcohal

Q: Self induction of the coil depends upon

(a) :  Area of coil
(b) :  Num of turns
(c) :  Length of coil
(d) :  All of the above
(e) :  None
Answer:  Length of coil

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