The velocity of hydrogen molecule, If the velocity of hydrogen molecule is ...

If the velocity of hydrogen molecule is 5x 10 4 cm sec -1   then its de-Broglie wavelength is: (1) 2 Å    (2) 4 Å    (3) 8 Å    (4)100 Å Ans:  4 Å

3d: solid compounds, Table gives some halides and oxides of the 3 d serie...

Table gives some halides and oxides of the 3 d series elements, selected to show the range of stable oxidation states. These follow the similar trends as required in aqueous chem

Calculations of volumetric analysis, Calculations of Volumetric analysis ...

Calculations of Volumetric analysis The subsequent points should be kept in mind while making calculations of volumetric exercises. (i) 1g equivalent mass of a substance car

Chemical laws and thier verifications, What are the chemical laws and their...

What are the chemical laws and their verification

Conformation energy profile for butane c2-c3 bond rotation, Conformation en...

Conformation energy profile for butane Conformation energy profile for butane C2-C3 bond rotation

Hardness, 1. A sample of water contains: suspended matter = 100 mg; Ca(NO3)...

1. A sample of water contains: suspended matter = 100 mg; Ca(NO3)2 = 16.4 mg/L; MgSO4 = 24 mg/L; MgCl2 = 19 mg/L; NaOH = 40 mg/L and KOH = 56 mg/L. Calculate temporary, permanent a

The maximum probability of finding an electron, The maximum probability of ...

The maximum probability of finding an electron in the d xy   orbital is: (1)  Along the x-axis (2) Along the y-axis (3)  At an angle of 45 0 degree  from the  x  and y

Organic, nitration of give amines give ortho para and not meta isomer?

nitration of give amines give ortho para and not meta isomer?

Ionic bond,

Determine the largest amount, Which of the following electron transition in...

Which of the following electron transition in a hydrogen atom will require the largest amount of: (1) From n-1 to n=2          (2) From n= 2  to n=3  (3) From n= ∞  to n=