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Concept that belongs to '3R' necessary f...

Concept that belongs to '3R' necessary for Environment Control of floods in rainy fseason.

A

Prepration of plates with bananaa leaves

B

Usage of grass bags only

C

Reduce buying use and throw articles

D

Having underground sewage system

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Asseration (A) : f(x)=x^3 has no extremum at x=0 Reason (R ) : f^1(a)=0 is only necessary condition for f(x) to have extremum at x=0

Carbonyl compounds give different oxidation products with different reagents .Several oxidising agents can be used to oxidise carbonyy compounds .Ammonical silver nitate (tollens reagent ) oxidises aliphatic as well as aromatic aldehydes . R-CHO overset("Tollens reagents ") to R-COOh +Ag (silver mirror ) strong oxidatising agents like KMnO_4 //H^+ ,HNO_3 ,K_2 Cr_2 O_7 //H^+ oxidise Aldehydes as well as ketons . open chain ketons in oxidation give mixture of two carbonylic acids . oxidation as well as ketons of unsymmetrical ketons takes place according to popoff's rule .According to this rule alpha - carbon whose bond breaks in oxidation always belongs to the alkyl group which has more number of carbons the reagent which oxidise only aliphatic ketone is :

In view of 3R's suggest a few good habits to conserve environment ?

Bohr proposed his atomic model based on Planck.s quantum theory and derived following relations for one electron system in C.G.S. units : For H -atom : r_(n) = n^(2) xx r_(1), E_(n) = E_(1) xx Z^(2), u_(n) = (u_(1))/(n), u_(1) = 2.19 xx 10^(8) cm//sec., E_(1) = -13.6eV For 1 electron system, other than H r_(n) = (n^(2) xx r_(1H))/(Z), E_(N) = (E_(1H) xx Z^(2))/(n^(2)), u_(n) = (u_(1H) xx Z)/(n) . Later on de Broglie proposed the dual nature of electron and put forward his wave concept. The wave length of electron in an orbit was given lambda = h/mu The circumference (in m) of 3^(rd) Bohr orbit in H-atom is :

Ionization potential is the minimum amount of energy needed to remove the outermost electron from the gaseous isolated atom. Its unit is eV/atom or kJ/mol. Successive ionization energy is the amount of energy needed to remove electron successively from a gaseous ion, it may be termed as I.E._2, I.E._3 , .... The difference in the values of I.E._1, I.E._2 , . helps to determine electronic configuration of the elements. The order of ionic mobility in aqueous solution of the following ions will be (If R, S belong to same group):

De Broglie poroposed that moving micro particles exhibit wave behaviours. Electron in a Bohr.s orbit also shows dual nature whose wave length is given by lambda_(e) = (h)/(m_(e)V_(e)) m_(e) = mass of electron , V_(e) = velocity of electron , h = planck.s constant Bohr.s atomic model is in good agreement with De-broglie concept and the electron has fixed energy in Bohr.s orbit : 2pi r = n lambda (constructive wave in phase). The kinetic energy of an electron in alpha Bohr.s orbit of H-atom is 3.4 eV. What is the its De-broglie.s wave length ?

BEYOND PUBLICATION-NATURAL RESOURCES-EXERCISE
  1. Farmers of Gollapalli Implemented some methods to achievve sustainabil...

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  2. What is percolation tank ?

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  3. Concept that belongs to '3R' necessary for Environment Control of floo...

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  4. Read the following sentences. Digging contour field bunding horizontal...

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  5. Which one of the following can be recycled ?

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  6. Bauxite is a mineral for the extraction of

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  7. Switch of lights whenever they are not needed

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  8. Deforestation is one of the causes for……………

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  9. The people of Rajsthan who saved forests are.....

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  10. How much fresh water is available on the earth?

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  11. Consider the following. Some natural resources are renamed Fossil f...

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  12. Which of following is not concerned with the forests ?

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  13. Consider the following sentences. Nearly 36 million acres of forest la...

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  14. Which of the following is not correct regarding Amrita Devi ?

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  15. What should Jaya do to not bring the polythene covers to house ?

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  16. I am a plant. I am making the soil nitrogen rich. Who am I ?

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  17. Which of the following countries who conserve the forests by reusing w...

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  18. Rajaiah harvested corn plants in one row and wheat in another row in h...

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  19. The agency that minds conservation of under ground water

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  20. Find out the flow chart.

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