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Which of the following has more unpaired d-electrons:
(1) Zn+
(2) Fe2+
(3) N3+
(4) Cu+
Ans: Fe2+
In neutral atom, which particles are equivalent: (1) P + e + (2 ) e - e + (3) e -, P + (
list down example of spectroscopic methods based on interaction of matter electromagnetic radiation?
Criteria for determining the purity of organic compounds
define free radical mechanism of additon reaction
all explanation
Which of the following sets of quantum numbers represent an impossible arrangement: n l m m2 (1) 3 2 - 2 (+)
classify the reaction.Na2CO3(s) + SiO2(s) ? Na2SiO3(l) + CO2(g)
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.
Describe the following electrochemical methods in terms of their working principles instrumentation and applications i. Potentiometry ii. polarography iii. Conductometry
explain nitric oxide becomes brown when released in air
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