DUET 2019 M.Phil./Ph.D. in Philosophy Question Paper with Answer Key PDF (July 7 - Shift 3)

DUET Questions

• 1.

  In the given structure of a compound, the correct various bond moments direction involving are shown as

  • $ Br\underline{\leftarrow }N\underline{\leftarrow }CH_{2}\underline{\to }SiH_{2}\underline{\leftarrow }CH_{2}\underline{\to }O\underline{\leftarrow }CH_{3} $
  • $ Br\underline{\leftarrow }N\underline{\leftarrow }CH_{2}\underline{\leftarrow }SiH_{2}\underline{\leftarrow }CH_{2}\underline{\to }O\underline{\leftarrow }CH_{3} $
  • $ Br\underline{\leftarrow }N\underline{\to }CH_{2}\underline{\leftarrow }SiH_{2}\to CH_{2}\underline{\to }O\underline{\leftarrow }CH_{3} $
  • $ Br\underline{\leftarrow }N\underline{\to }CH_{2}\underline{\to }SiH_{2}\underline{\leftarrow }CH_{2}\underline{\to }O\underline{\to }CH_{3} $
  View Solution

  ---

• 2.

  What is the shape and magnetic nature of permanganate ion ?

  • Pyramidal diamagnetic
  • Tetrahedral, diamagnetic
  • Tetrahedral, paramagnetic
  • Planar, paramagnetic
  View Solution

  ---

• 3.

  The mobility of charge carriers increases with

  • increase in the average collision time
  • increase in the electric field
  • increase in the mass of the charge carriers
  • decrease in the charge of the mobile carriers
  View Solution

  ---

• 4.

  Phagocytosis and pinocytosis are collectively termed as

  • endocytosis
  • suspension feeding
  • omnivores
  • mucous trap
  View Solution

  ---

• 5.

  Which one of the following alkylbromides undergoes most rapid solvolysis in methanol solution to give corresponding methyl ether?

  • 

  • 

  • 

  • 

  View Solution

  ---

• 6.

  Most stable carbocation is

  • 

  • 

  • 

  • 

  View Solution