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Classification of Elements and Periodicity in Properties Class 11 Questions

Hi Buddy, Here we have some questions based on Classification of Elements and Periodicity in Properties Class 11 Questions with MCQs and Short answer Type of 1 mark each. Q-1. Consider the following isoelectronic species, Na+, Mg2+, F–and O2–. The correct order of increasing the length of their given radii is _________. (i) F– < … Read more

Structure of Atom Class 11 Question Bank

Hi Buddy, Surf here Structure of Atom Class 11 Question Bank and download the pdf also, Happy Preparation.. Q-1. Packet of energy is called (a) Electron (b) Photon (c) Position (d) Proton Q-2. Orbital which is not possible (a) 2p (b) 3d (c) 3s (d) 3f Q-3. the magnetic quantum number of an atom is … Read more

Class 10 Chemistry Acid Base and Salt chapter MCQs

Here are some important questions of Class 10 Chemistry Acid Base and Salt chapter MCQs Q-1: If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done? (a) Wash the hand with saline solution (b) Wash the hand immediately with plenty of water and apply a … Read more

Sample Questions of Coordination chemistry

Sample Questions of Coordination chemistry: 1 marker Very short answer type questions (1 mark): Q1. Write the formula of Dichloridobis(ethane-1,2-diamine)cobalt(III). Q2. Write the IUPAC name of [Pt(NH3)2Cl(NH2CH3)]Cl. Q3. The spin only magnetic moment of [MnBr4]2- is 5.9 BM. Predict the geometry of the complex ion? Q4. Predict the number of unpaired electrons in the square … Read more

Class 11 Basic Concepts of Chemistry MCQs

Here we givens some Class 11 Basic Concepts of Chemistry MCQs, Assertion & Reason question from Class 11, NCERT chemistry chapter-1 What will be the molarity of a solution, which contains 5.85 g of NaCl(s) per 500 mL? (i) 4 mol L–1 (ii) 20 mol L–1 (iii) 0.2 mol L–1 (iv) 2 mol L–1 If … Read more
CBSE Class 12 Solutions MCQs

CBSE Class 12 Solutions MCQs

CBSE Class 12 Solutions MCQs: Here are some MCQs from Solution chapter of class 12 chemistry. Lets dive into it. Q-1: In which mode of expression, the concentration of a solution remains independent of temperature? (a)Molarity (b) Normality (c) Formality (d)Molality Q-2: If 5.85g 0f NaCl is dissolved in 90g of water, the mole fraction … Read more
CBSE Class 12 Chemical Kinetics MCQs

CBSE Class 12 Chemical Kinetics MCQs

CBSE Class 12 Chemical Kinetics MCQs: It will help to find some standard MCQs. The role of a catalyst is to change (i) Gibbs energy of reaction. (ii) enthalpy of reaction. (iii) activation energy of reaction. (iv) equilibrium constant. In the presence of a catalyst, the heat evolved or absorbed during the reaction (i) increases. … Read more
CBSE Class 12 Electrochemistry MCQs

CBSE Class 12 Electrochemistry MCQs

Here are some CBSE Class 12 Electrochemistry MCQs Which cell will measure standard electrode potential of copper electrode? (i) Pt (s) | H2 (g,0.1 bar) | H+ (aq.,1 M) || Cu2+(aq.,1M) | Cu (ii) Pt(s) | H2 (g, 1 bar) | H+ (aq.,1 M) || Cu2+ (aq.,2 M) | Cu (iii) Pt(s)| H2 (g, 1 bar) | H+ (aq.,1 M) || Cu2+ (aq.,1 … Read more