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The third line in Balmer series corresponds to an electronic transition between which Bohr's orbits in hydrogen:
(1) 5 → 3
(2) 5 → 2
(3) 4→ 3
(4) 4 → 2
Ans: 5 → 2
Qualitative analysis- Criteria of purity of organic compound The qualitative analysis of an organic compound includes the detection of all the elements that are present in it
Explain in words why hydroboration leads to anti-Markovnikov addition of hydrogen whereas most electrophilic addtions to alkenes result in Markovnikov addition.
50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
conclusion of the topic?
Selecting and Numbering the principal chain Selecting the principal chain : choose the longest continuous chain of carbon atoms consisting of the principal functional
Explain Cyclobutane Cyclobutane undergoes an interconversion of puckered forms analogous to the chair interconversion of cyclohexane. This interchanges axial and equatorial gr
Write the periods of periodic table have d-block element
#questionQ1. 0.28gm of CaCO3 was dissolved in HCl and the solution was made to one litre with distilled water. 100 ml of the above solution required 28 ml of EDTA solution on titra
The frequency corresponding to transition n= 2 to n =1 in hydrogen atom is: (1) 15.66 x 10 10 Hz (2) 24.66 x 10 14 Hz (3) 30.5
In hydrogen spectrum the different lines of Lyman series are present is : (1 )UV field (2) IR field (3) Visible field (4) Far IR field Ans: UV field
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