Hydrogen atom emits blue light when it changes from energy level to the
level. Which colour of light would the atom emit when it changes from the
level to the
level
Red
Yellow
Green
Violet
In the transition from orbit ,more energy is liberated as compared to transition from
.
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5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K

A capacitor is made of two square plates each of side 'a' making a very small angle
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d