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Mention one property which is caused due to the presence of F-centre in a solid.
a) Write down Nernst equation for single electrode potential.
stability of cr3+ions from fe3+ions in aqueous medium
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
Silicon has 4 electrons in the outermost orbit. In forming the bonds: (1) It gains electrons (2) It loses electrons (3) It shares electrons (4) None of these Ans: I
4 NH3 + 5 O2 --> 4 NO + 6 H2O How many grams of NO are actually produced when 60.02 grams of ammonia are allowed to react with 96.00 grams of oxygen? ((This is a limiting reactant
Nucleophilic Replacement Reactions (i) Several replacement reactions, majorly at the saturated carbon atom in aliphatic compounds like alkyl halides, are brought about by nucl
Just like lithium and beryllium in Groups Land 2, boron also shows anomalous behaviour. In general, the boron chemistry resembles that of silicon (occupying a diagonal position in
What is the mass of electrons in grams?
How many electron have br+ Neutral Br, being in Group 7A, has 7 valence electrons; therefore, Br+ has 6.
explain reaction and procedure of rosenmund reaction for preparation of benzaldehyde
what is dipole moment?
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