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Wavelength associated with electron motion: (1) Increases with increase in speed of electron (2)Remains same irrespective of speed of electron (3) Decreases with increa
In Bohr's model, atomic radius of the first orbit is γ the radius of the 3rd orbit, is: (1) γ/ 3 (2)γ (3) 3γ (4) 9γ Ans: 9γ
how to name the following compound and how to assign oxdiation state aof central metal ion : positive complex ion containing two cobalt metal atoms which are held by the bridges hy
Q. General Characteristics of elements of Group 13? All the elements of Group 13 have similar valence shell electronic configuration of ns 2 np 1 , but the underlying core vari
To calculate the e.m.f of the cell when does the nelsons equation is use? Ans) The Nernst equation is useful to measure the e.m.f of the cell when the concentrations of solution
CH 3 COOH ( ethanoic acid) + NH 3 ------------ > CH 3 COONH 4 + (HEAT) ---------- > CH 3 CONH 2 (methyleamine) + H 2 O
Q. Analysis of water gave the following results H 2 SO 4 = 196Mg/L; MgSO 4 = 24Mg/L, CaSO 4 = 272Mg/L and NaCl = 25Mg/L. Water is to be supplied to the town of the popul
Q.Briefly describe about Nitrogen? Ans. Nitrogen is a gas that makes up approximately 79% of the atmosphere. It exists in the form of the diatomic molecule N 2 . In this f
what is the significance of BR in ghee?
Modern Meaning of Organic Chemistry Organic chemistry is a chemistry of hydrocarbons and their derivatives where covalently bonded carbon is a necessary constituent. Berzelius
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