(2) It contains groups
(3) I has six groups
(4) None of these
Answer: (1)
Solution:
Structure of oleum (pyrosulphuric acid)
Q-47: how much spectral line of balmer series present in visible region:
Options:
(1) 5
(2) 4
(3) 2
(4) 3
Answer: (2)
Q-48: For a first order gas phase reaction:
be initial pressure of A and Pt the total pressure at time‘t’. Integrated rate equation is:
Options:
(1)
(2)
(3)
(4)
Total pressure at time
Q-49:
Assertion: Out of having lower melting point than.
Reason: Oxidation state of in is high
Answer: (2)
Solution:
Both Assertion and reason are correct but reason is not correct explanation of assertion.
Q-50: Out of which has maximum solubility:
Options:
(1)
(2)
(3)
(4)
Answer: (1)
Solution:
Order of solubility
Has highest solubility as have high hydration energy