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The frequency of one of the lines in Paschen series of hydrogen atom is2.340x10 11 Hz. The quantum number n 2 which produces this transition is: (1) 6 (2) 5
Preparation Methods of Cycloalkane
WHAT IS EBT
The electronic configuration of an element with atomic number 7 i.e. nitrogen atom is; (1) 1s 2 , 2s 1 , 2p 3 x (2) 1s 2 , 2s 2 , 2p 2 x ,
Although cholrine is electron withdrawing group.yet it is ortho nd para directing in electrophilic aromatic substitution reactants.why? Solution) Halogens are an exception of th
A Galvanic cell or voltaic cell or electrochemical cell is a system in which a spontaneous chemical oxidation- reduction happens and makes electrical energy.
Define the preparation of Titrimetry or Acid-Base Titration I. PURPOSE OF THE EXPERIMENT In this experiment the acid content of vinegar solution was determined by acid-ba
Q. Physical Properties of group16? Similar to the groups discussed earlier. The metallic character in Group 16, increases with increasing atomic number. Oxygen and sulphur are
A 0.5M solution of NaNO2 is made. What is the pH of the solution?
The standard free energy change for a reaction is -212.3 kJ mol -1 . If the enthalpy of the reaction is - 216.7 kJ mol -1 , calculate the entropy change for the reaction.
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