d & f block element
01. Which of the following is diamagnetic? (a) Cr3+ (b) Sc3+ (c) V2+ (d) Ti3+ Ans:-b 2. How many oxygen atoms are each chromium attached to in K2Cr2O7. (a) 4…
MCQ of Chemical Kinetics
Chemical Kinetics 01 For zero order reaction. (a) $latex \displaystyle t\frac{1}{2}\alpha a$ (b) $latex \displaystyle t\frac{1}{2}\alpha \frac{1}{a}$ (c) $latex \displaystyle t\frac{1}{2}\alpha {{a}^{2}}$ (d) $latex \displaystyle t\frac{1}{2}\alpha \frac{1}{{{{a}^{2}}}}$ first order reaction…
IMPORTANT FORMULAE of SOLUTIONS
IMPORTANT FORMULAE of SOLUTIONS In the formulae given below A represents solvent and B represents solute, also MA = Molar mass of solvent MB = Molar mass of solute WA…
Electrochemistry NCERT Intext Questions
NCERT Intext Questions 1. How would you determine the standard electrode potential of the system Mg2+ ∣ Mg? Ans. Set up an electrochemical cell consisting of Mg ∣ MgSO4 (l…
RBSE Class 12th Physics 2022
RBSE Class 12th Physics 2022 1.(i) The SI unit of electric flux is (a) NC-1 m2 (b) NC-1 m-2 (c) N-1C-1 m-2 (d) N-1C1 m2 Ans (a) NC-1 m2 (ii)…
Important Question of Physics
1. In Lenz's law which quantity is conserved ( a) Mass ( b) Momentum ( c) force ( d) Energy 2. Two circular similar coaxial loops carry equal currents in…
Werner’s theory and Valence Bond Theory (VBT) for bonding in Coordination Compounds:
Werner's theory: Werner proposed the concept of a primary valence and a secondary valence for a metal ion. Binary compounds such as CrCl3, CoCl2 or PdCl2 have primary valence of…
Titration Experement
Experiment No. 1 Exercise: Find out the concentration of potassium permanganate in gram per litre. For this purpose you are provided with a standard solution of crystalline ferrous ammonium sulphate…
Identify the functional group Phenolic (Ar-OH)
AIM - Test and identify the functional gropu in a given organic compound. Physicla state - Solid Colour - Pink Odour - Phenolic smell Solubility in water - Soluble in…
Identify the functional group Carboxylic acid group (-COOH)
AIM - Test and identify the functional group in a given organic compound. Physicla state - solid Colour - white Odour - No smell Solubility in water - Soluble in…