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Q. What is Hydrate Isomerism? In a compound, water molecules may be present in either coordinated form or as water of crystallisation In the former case water molecules are di
Q. Test for hydrocyanic acid? Hydrocyanic acid is present as an impurity in synthetic ethyl isothiocyanate, which is employed to make the flavour of mustard oil more pungent. T
oxo process - Hydrocabon It is as well known as carbonylation or hydroformylation reaction. A group of alkene carbon monoxides and hydrogen. Elevated temperature and under pres
In recent years, the scientists have designed the cells which convert chemical energy of a fuel directly into electrical energy. These cells are called fuel cells. These are the vo
Which of the following is not isoelectronic : (1) Na + (2) Mg 2+ (3) O 2- (4) Cl - Ans:(d)Cl -
(a) What is hardness of water? What do you understand by temporary and permanent hardness? OR Explain tempora
Q. Explain scale formation and sludge formation in boilers. How are they formed? Ans Boilers are used for steam generation. When hard water is evaporated, progressively
Boiling point -physical characteristics of carbonyl compound The boiling points of aldehydes and ketones are high as compared to those of non polar compounds (hydrocarbons) or
An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6 (2) 2 (3) 3 (4)4 Ans: 4
hybridisation of o in boric acid
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