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Q. Explain about Monohalides?
Monohalides of the type M2X2, (where X = F, C1 and Br) are formed only by 0. S and Se. Oxygen monofluoride decomposes above 25 K. These monohalides have got structures similar to H2, O2, having E-E bonds.
Monohalides of Te and Po are not formed because Te-Te and Po-Po bonds are not stable. The monohalides are slowly hydrolysed to give the oxoacid,
2Se2Cl2+ 2H2O -------------------> H2SeO2+ 3Se+ 4HCl
Sulphur can readily be dissolved into sulphur monochloride. S2, CI2 to give chlorosulphanp s, such as. S3 CI2 , S4,Cl2 and so on upto S100 CI2.
Hybrid propellants: These propellants are the propellants which contain solid fuel & a liquid oxidiser. For instance, liquid N 2 O 4 or liquid oxidizer and acrylic rubber (s
A sub-shell l= 2 can take how many electrons: (1) 3 (2) 10 (3) 5 (4) 6 Ans: 10
Q.Briefly describe about Nitrogen? Ans. Nitrogen is a gas that makes up approximately 79% of the atmosphere. It exists in the form of the diatomic molecule N 2 . In this f
Three power plants have been suggested that operate at these efficiencies. Plant Power Plant Efficiency (%) I 81
Q. Explain important properties of energy? Properties of Energy There are two important laws that explain the important properties of energy: Conservation of Energy (
A monosaccharide A has a molecular weight of 150 Da. The two stereoisomers B and C that are both optically inactive form when A reacts with NaBH 4 . Illustrate the structures o
absorption
Q. Use the following information to draw a temperature-composition phase diagram for the binary system of H 2 O (A) and Na 2 SO 4 (B) at p = 1 bar, confining t to the range 20 to
basic structure
molecular chlorine and molecular fluorine combine to form a gaseous product.Under the same conditions of temperature and pressure it is found that one volume of Cl2 reacts with thr
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