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The hightest boiling point in group IV A hydrides is that of : CH4 , SIH4, Geh4, SnH4
Halogen acid in gaseous state found as equilibrium mixture of manomers and hexamers is : HF, HCl, HBr, HI
Octane number 100 is given to : n-octane, n-heptane, 2,2,4-trimethy Pentane, 2,2,4-trimethy octane
Electrophile among the following is : NH3, H2O, BF3, Cl2
Organic compound having fruity smell are : Carboxylic acid, Alcohol, Ethers, Esters
Starch is a polymer of : Fructose, alpha-D- Glucose, Lactose, Sucrose
Macronutriet for soil is : N2, Cu, Zn, Fe
Coordination number of Fe in [Fe (CN)6]4 ions is : 4, 2, 6, 4
Disinfection of water by chlorine is done by the production of : NH2Cl, NCl3, HPCl, NHCL2
Enzyme mahase help the hydrolysis of : Starch to maltose, Maltose to glucose, Glucose to ethyl alcohol , Ethyl alcohol to carboxylic acid