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The equation Δ x Δp ≥ h/ 4Π shows:
(1) de-Broglie relation
(2) Heisenberg's uncertainty principle
(3) Aufbau principle
(4) Hund's rule
ans: Heisenberg's uncertainty principle
Which of the following compound has electrovalent linkage: (1) CH 3 Cl (2) Nacl (3) CH 4
What are the major poisnous gases released during burning of the plastic substances? Ans) It is high time that we start taking concrete steps in order to prevent pollution or else
Ernest Rutherford in 1909 conducted what is now a famous experiment where he bombarded gold foil with alpha particles (Helium nuclei). A source which undergoes for alpha decay is
solution and collegative properties explanation
given: reciprocal linear dispersion= 2.5 nm/mm focal length = .30 m groove spacing = d = 833.3 nm wavelength = 400 nm
Inversion of cane-sugar : The hydrolysis of sucrose through boiling along with a mineral acid or through enzyme invertase, generates a mixture of equal molecules of D-glucose
The ratio of area covered by second orbital to the first orbital is: (1) 1 : 2 (2) 1 : 16 (3) 8 : 1 (4) 16 : 1 Ans: 16 : 1
what can be formed by sodium reacting with epsum salt
Boiling point -physical characteristics of carbonyl compound The boiling points of aldehydes and ketones are high as compared to those of non polar compounds (hydrocarbons) or
GROUP 2: ALKALINE EARTHS The elements known commonly as alkaline earths have atoms with the (ns) 2 design and almost always have the +2 oxidation state in their compound
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