2nd year, Chemistry

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Radius of electron in the first excited state of hydrog atom, The radius of...

The radius of electron in the first excited state of hydrogen atom is: (1) a 0                      (2) 4a 0            (3) 2a 0                            (4) 8a o

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Chlorination, 1. CH2=CH-CH3 inpresence of SO2Cl2 (UV light) product..?? 2....

1. CH2=CH-CH3 inpresence of SO2Cl2 (UV light) product..?? 2. (CH3)3CH +Cl2 undergo photo halogenation product..?? 3. 1-propyne react with HCl product is? Solution) 1 SO2Cl2 resu

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The stability of a complex relies on 1. Nature of central ion:  the word nature means the charge density on the central ion i.e. greater is the charge density or larger the c

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Q. Preparation of hot souffle ? i) Melt 12 g butter in a saucepan. Add 12 g flour and stir cook for 1-2 minutes. ii) Gradually add ¼ cup of scalded milk stirring continuou

The four quantum number for the valence shell electron, The four quantum nu...

The four quantum number for the valence shell electron or last electron of sodium (Z = 11) is: (1)  n =1, l= 1, m= -1, s= -1/2    (2) n =3, l=0, m=0, s= +1/2   (3) n =3,

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