Chemistry questions
29404 published questions with worked solutions.
- In chromyl chloride, the number of d-electrons present on chromium is same as in (Given at no. of Ti : 22, V : 23, Mn : 25, Fe :...
- Match List I with List II: (benzenediazonium chloride is reacted with reagents in List I to form products in List II) List-I...
- The water gas on reacting with cobalt as a catalyst forms
- Which of the following represents the Freundlich adsorption isotherms? Graphs (A) x/m vs p (rising, levelling), (B) log(x/m) vs...Not in JEE Main or NEET syllabus
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Butan-1-ol has...
- Match List I with List II : List-I (Reagent): A. Saccharin B. Aspartame C. Alitame D. Sucralose List-II (Product): I. High...Not in JEE Main or NEET syllabus
- The reaction 1 2 H_2(g)+AgCl(s) H^+(aq)+Cl^-(aq)+Ag(s) occurs in which of the given galvanic cell ?
- Given below are two statements : Statement I: Lithium and Magnesium do not form superoxide Statement II: The ionic radius of Li^+...Not in JEE Main or NEET syllabus
- Match List I with List II : List-I (Reagents used): A. Alkaline solution of copper sulphate and sodium citrate B. Neutral FeCl_3...
- The correct order of spin only magnetic moments for the following complex ions is
- Sulphur (S) containing amino acids from the following are : (a) isoleucine (b) cysteine (c) lysine (d) methionine (e) glutamic...
- Which halogen is known to cause the reaction given below: 2Cu^ 2+ +4X^- Cu_2X_2(s)+X_2
- 2IO_3^-+xI^-+12H^+ 6I_2+6H_2 What is the value of x?
- The correct order of electronegativity for given elements is
- The number of following statement/s which is/are incorrect is _______ (A) Line emission spectra are used to study the electronic...
- The number of following factors which affect the percent covalent character of the ionic bond is______ (A) Polarising power of...
- XeF_4 reacts with SbF_5 to form [XeF_m]^ n+ [SbF_y]^ z- . m + n + y + z = ______?
- Molar mass of the hydrocarbon (X) which on ozonolysis consumes one mole of O_3 per mole of (X) and gives one mole each of ethanal...
- The number of given statement/s which is/are correct is______ (A) The stronger the temperature dependence of the rate constant,...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Physical...Not in JEE Main or NEET syllabus