ENTRANCE TEST – 2016 Multiple Questions and Answers.




26.The anomalous electronic configuration shown by chromium and copper among 3-d series of elements is due to:
A. Colour of ions of these metals
B. Variable oxidation states of metals
C. Stability associated with this configuration
D. Complex formation tendency of metals

27.Which element of 3d series of periodic table shows the electronic configuration of 3d6, 4s2?
A. Copper
B. Cobalt
C. Zinc
D. Nickel

28.The %age of nitrogen in ammonium nitrate is:
A. 46%
B. 82%
C. 33%
D. 13%

29.Which one of the following is anhydride of sulphuric acid?
A. Sulphur (II) oxide
B. Sulphur (VI) oxide
C. Iron pyrite
D. Sulphur (VI) oxide

30.Which one of the following pairs can be cis-trans isomer to each other?
A. CHCl=CCl2 and CH2=CH2
B. CHCl=CH2 and CH2=CHCl
C. CH3CH=CHCH3 and H3CCH=CHCH3
D. CH3CH3 and CH2=CH2

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