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AIIMS MBBS Entrance Test 2019 Chemistry Paper with Answer & Solutions 26 May Second Shift Part 7
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Q-66: of a salt solution of wak acid & weak base is:
Options:
(1)
(2)
(3)
(4)
Answer: (1)
Solution:
Q-67: Radius of 1st orbit of & some orbit of is same. Energy of their orbit of is:
Options:
(1)
(2)
(3)
(4)
Answer: (1)
Solutions:
n = 2
Q-68: Select the correct statement regarding shapes of , & :
Options:
(1) All are square pyramidal
(2) All are trigonal bipyramidal
(3) One of the following is square pyramidal
(4) One of the following is tetrahedral
Answer: (3)
Solution:
Q 69. Which of the following is incorrect about ?
Options:
(1) It can be prepared from .
(2) It is used in redox titrations.
(3) It is stable in both acid & base.
(4) It is orange in colour
Answer: (3)
Solution:
Colour of is orange
Is used in redox titrations.
Q-70: The conductivity of a solution of a weak monobasic acid is . If for weak acid is
, calculate Ka of weak monobasic acid:
Options:
(1)
(2)
(3)
(4)
Answer: (1)