Qualitative analysis, test for acidic radicals

test for acidic radicals

Polarography, The diffusion current for a standard 1 x 10-4 M solution of h...

The diffusion current for a standard 1 x 10-4 M solution of hydroquinone is found to be 17.5 µA. An unknown solution of hydroquinone, when diluted tenfold and analysed under simila

Show the basic characteristics of organic compounds, Q. Show the basic Char...

Q. Show the basic Characteristics of Organic Compounds? Ans. Almost all organic compounds contain the elements of hydrogen and carbon. These compounds often contain

The energy for the first excited state of hydrogen atom, The value of the e...

The value of the energy for the first excited state of hydrogen atom will be: (1) - 13.6 ev                        (2)- 3.40 eV        (3) -1.51eV

Energy required to excite the electron in a hydrogen atom, The ionization e...

The ionization energy of hydrogen atom is -13.6eV.  The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's co

Atom, if the electon in hydrogen atom is exited to n=5 the number of diffre...

if the electon in hydrogen atom is exited to n=5 the number of diffrent frequency of radiations which may be exited is

What are liquid crystals, What are liquid crystals? Give examples. Liq...

What are liquid crystals? Give examples. Liquid crystals are an intermediate state among liquid state and solid state. They exhibit some characteristic properties of both soli

Number of electrons and neutrons of an element & mass no, The number of ele...

The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17              (2) 37        (3)2              (4)38 Ans: 17

The number of orbitals in d sub-shell is, The number of orbitals in d  sub...

The number of orbitals in d  sub-shell is : (1) 1        (2) 3        (3) 5        (4) 7 Ans: 5

Ionic bond,