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Q. Show the Properties of diborane? Diborane is a colourless gas (b. p., 183K). It is rapidly decomposed by water with the formation of H 3 B0 3 and H 2 : B 2 H, + 6H 2 0 -
give instrumentation of electrogravimetry
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.
The electronic configuration of a metal M is 1s 2 , 2s 2 , 2p 6 , 3s 1 , The formula of its oxides will be: (1) MO (2) M
what are antifertility drugs?
Give reasons for the following: a. Molten aluminium bromide is poor conductor of electricity. b. Nitric oxide becomes brown when released in air. c. PCl
free energy and spontaeity
Which of the following set of quantum numbers is correct for the 19th electron of chromium: n l m s (a) 3 0
Mention one property which is caused due to the presence of F-centre in a solid. a) Write down Nernst equation for single electrode potential.
Advantages of radiometric titration
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