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Why do zinc hydroxide, aluminium hydroxide and lead (II) hydroxide dissolve in excess aqueous sodium hydroxide?
Which of the following configuration is correct for iron : (1) 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 6 ,, 3d 5 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 6 , 4s 2 , 3d 5 (3)
solution and collegative properties explanation
How many electrons can be accommodated in a sub-shell for which n=3, l=1: (1) 8 (2) 6 (3) 18 (4) 32 Ans: 6
A sample of gas occupies 10l under a pressure of 1atm. what will be its volume if the pressure is increased to 2atm ? assuming that temperature of the gas sample does not change
Q. What are the Chemical Properties of Ammonia? Ans. Combustion: Ammonia does not burn in air but will burn in pure oxygen to form nitrogen and water vapor. 4NH 3 (g) +
if the bond length in chlorine molecule is 1.98 angstrom and bond length in H-CL molecule is 1.76 angstrom calculate the covalent radius of hydrogen
Relative strength of the bases (Basic nature of -NH2) The dissimilarity in base strength in several amines can be described on the basis of inductive effect. The +I effect incr
When α -particles are sent through a thin metal foil, most of them go straight through the foil because (one or more are correct) : (1) Alpha particles are much heavier than ele
dehydration of alcohol with mechanism
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