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#question.reactions of s-block element?.
What is difference between silica used in TLC and HPLC column? TLC is called thin layer chromatography. The simple technique works on the principle of adsorption, where as HPLC i
why wood doesnot sublimine ?
Q. Determine the equilibrium constant? At 298 K, the molar conductivities at infinite dilution of NH 4 Cl, NaOH and NaCl are 129.8,217.4 and 108.9 ohm -1 cm 2 mol -1 respect
Q. Explain about Coordination Isomerism? Coordination Isomerism: If the complex is a salt having both cation and anion as complex ions then the ligands can exchange position
Generation of the electrophile : The electrophile is the carbocation produced by protonation of the alcohol oxygen and loss of water.
Uses of pyrogallol (a) As a developer in photography. (b) As a hair dye. (c) In medicine of skin diseases like eczema. (d) For absorbing none reacted oxygen in gas ana
Mordant dyes: These dyes comprise no natural affinity for the fabric and are applied to it along with the help of specific additional substances termed as mordants. A mordant
What does the HA and A- stand for in buffer solution equations? Ka=HA/A-
Which among the following species have the same number of electrons in its outermost as well as penultimate shell: (1) Mg 2+ (2) O 2-
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