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…
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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) $latex \displaystyle t\frac{1}{2}\alpha {{a}^{2}}$…
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…
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…
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…
Titration Experement
Experiment No. 1 Exercise: Find out the concentration of potassium permanganate in gram per litre. For this purpose you are provided with…
Chemistry / Class – 12/Practice Paper
(i) Which of the following units of concentration does not depend on temperature? (a) molarity (b) Molality (c) formality (d) normality (ii)…
Board Booster Question of Chemistry
Q. What is Tollens’ reagent? Write one usefulness of this reagent. Ans. Ammonical silver nitrate (AgN03 + NH40H) solution is known as…
Important Question of BIOMOLECULES
BIOMOLECULES Q. 1. Name polysaccharides which is stored in the liver of animals. Ans. Glycogen. Q. 2. What structural feature is required…
1 Marks Important Question of Amine
AMINES Q. 3. Draw structure of TNT, an explosive. Ans. Q. 6. What is Hinsberg’s reagent ? Ans. Benzene sulphonyl chloride, Q.…