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The correct ground state electronic configuration of chromium atom is:
(1) [Ar] 3d5 4s1
(2)[Ar]3d4 4s2
(3) [AR]3d6 4s0
(4)[Ar]4d5 4s1
Ans: [Ar] 3d5 4s1
What is the de-Broglie wavelength associated with the hydrogen electron in its third orbit: (1) 9.96x 10 -10 cm (2) 9.96x 10 -8 cm (3) 9.96x 1
Methane - Members of Alkanes It is also termed as marsh gas. (i) Industrial method of preparation: Mathane gas is acquired on a large scale from natural gas by liquefactio
Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is: (1) 4 Π mr 2 / nh (2) nh/ 4Π 2 mr (3) nh/ 4Π 2 mr 2
Ask quThe maximum number of electrons which each sub-shell can occupy is 2(2l+1)
acidity of monocaboxylic acid
what is the function of the charcoal in the purification of the 4-nitroanine 2.why is it not possible to obtain 2-and 4-nitroaniline by direct nitration of aniline (phenylamine)
Explain CMR spectrum 2,2-Dimethyl-1-propanamine (neopentylamine, (CH 3 ) 3 CCH 2 NH 2 ) has a maximum of three resonances in its CMR spectrum. 2-Methyl-2-butanamine, CH 3 CH 2
classification of gels
What is calgon n phosphate conditioning n which one is better?
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