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#mechanism of base catalyzed addition for acetal formation
Q. Describe the Half -Life property of radioactive decay? Ans. The decay of a nucleus is a random event. It is impossible to predict which nucleus will decay and when.
Alkyl nitrites and nitro alkanes In two tautomeric types Nitrous acid found. Corresponding to these two forms, nitrous acid provides two types of derivatives, that is n
The number of quantum numbers required to describe an electron in an atom completely is: (1) 1 (2) 2 (3) 3 (4) 4 Ans: 4
What is mole concept?
Pauli's exclusion principle states that: (1) Two electrons in the same atom can have the same energy (2) Two electrons in the same atom cannot have the same spin (3) The
what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?
The uncertainty in momentum of an electron is 1 x10 -5 kg- m/s . The uncertainty in its position will be (h= 6.62 x 10 -34 kg - m 2 / s): (1) 1.05 x 10- 28 m
no mg eqivalent of solute per liter of solution
in which state carbon exist
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