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 1storder reaction. When reaction complete rd. If the value of rate constant is
(1)
(2)
(3)
(4)
Answer: (4)
Solution: