explains problems

Explain the illusion...

2. Which of the following acids is the strongest and which one is the weakest. Explain..

2. The order of acid strength is reverse of what is normally expected in the boron halides, explain..

9. Explain how a metal can give different products with nitric aci..

Problems - 7. 1.375 g of cupric oxide on reduction in hydrogen gas gives 1.098 g of copper. In another experiment, 1.179 g of metallic copper produced 1.476 g of copper oxide. Show that these results illustrate the law of constant proportio..

Problems - 1. The electrode potentials A, B, C and D are 2.52 V, -0.16V, + 1.3V and 3.01V respectively. On the basis of this name the following: a) Most electro positive ----------> D b) Most electro negative -----------> C c) Highest reducing power -----------> D d) Highest oxid..

6. Calculate the wavelength of the spectral line when the electron in the hydrogen atom undergoes a transition from 4 t h energy level to 2 n d energy level. What is the colour of the radiatio..

3. A radio station broadcasts on a frequency of 980 kHz (kilohertz). What is the electromagnetic radiation broadcasted by the radio statio..

5. Calculate the energy of a photon of light having frequency of 3.0 x 10 1 5 sec - 1 (Planck's constant h = 6.63 x 10 - 3 4 J..

4. Represent the formation of phosphorus trichloride in terms of Lewis structur..