AIIMS MBBS Entrance Test 2019 Chemistry Paper with Answer & Solutions 25 May First Shift Part 4

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Q-67: Assertion: Bromoacetic acid reacts with conc. to form acetic acid

Reason: It is mechenism

Answer: (4)

Q-68: Assertion: is less basic than trimethylamine

Reason: Due to hyper conjugation of is less than methyl

Answer: (3)

Q-69: Which of the following number of lone pair at central atom zero

(1)

(2)

(3)

(4) Zero

Answer: (1)

Q-70: Which of the following does not give with ?

(1)

(2)

(3)

(4)

Answer: (1)

Solution:

In group cation does not give with has its solubility is high.

Order of

Q-71: Calculate of cell at

Cell notation

If value of volt

Options:

(1)

(2)

(3)

(4)

Answer: (1)

Solution:

Q-72: Find out time period of 1^storder reaction. When reaction complete rd. If the value of rate constant is

(1)

(2)

(3)

(4)

Answer: (4)

Solution: