Author name: Jai Sir

DPP – 11GOC2 ALKENES & ALKYNES, ALCOHOL 1. What is the formula of Natural rubber? 2. Draw the structure of : Hex-3-ene Pent-2-yne 4-Bromopent-1-ene Ethylene Glycol Propane -1,2,3 -triol 3. Name the following : CH2=CH-CH=CH2 CH2=CH-CH=CH-CH=CH-CH2-CH3 CH3-C≡C-C≡C-CH3 CH3-C≡C-CH2-CH2-C≡C-CH3 CH3-C≡C-CH=CH-CH2-CH3 CH2=CH-CH=CH-C≡C-CH2-CH3 OH-CH2-CH2-CH2 -Cl

DPP – 11GOC1   Alkane Naming 1. Define Alkyl. 2. Draw the structure of Isomers of Pentane. 3. Draw the structure of sec- Pentyl and tert-butyl. 4. Draw the structure of 2-methylpropane 5. Determine the Name of these structure

DPP -11C41 Shape of Molecules & VSEPR   1. Discuss the shape of the following molecules using the VSEPR model: BeCl2, BCl3, SiCl4, AsF5, H2S & PH3   2. Although geometries of NH3 and H2O molecules are distorted tetrahedral, bond angle in water is less than that of ammonia. Discuss   3. Draw an example

DPP -9S101 WORK AND ENEGY   1. Define Work. What is 1 Joule energy? 2. An object thrown at a certain angle to the ground moves in a curved path and falls back to the ground. The initial and the final points of the path of the object lie on the same horizontal line. What

DPP- 9S41 Structure of atom   1. Write the features of Thomson model. 2. Explain the gold foil, alpha particle experiment. 3. Who discovered electron? 4. What are the observation of Gold foil, alpha particle experiment 5. Draw Thomson atomic model and how did Thomson describe the atom?

DPP- 9S63 Tissues   Differentiate between Parenchyma, Collenchyma and Sclerenchyma. What is venation? Differentiate between photosynthesis and respiration. Draw the diagram of parallel and reticulate venation. Draw and explain stomata.