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Q. How to Prepare Chlorine in Laboratory?
Chlorine is prepared by oxidation of hydrochloric acid with potassium permanganate:
2KMnO4 + 16HCl -> 2KCl + 2MnCl2 + 8H2O + 5Cl2
The gas is bubbled through water to remove any unreacted hydrochloric acid and dried by bubbling through sulfuric acid. Being denser than air, it can be collected by downward delivery.
which of the following is not a characteristic of plunck''s quantum theory of radiation? A) Radiation are associated with energy B) A body can emit less or more than a quantum of e
Preparation of saturated calomel electrode and determination of standard potentials of electrodes such as Cu 1 Cu, Zn 1 Zn, etc. Comparison of the potential values with values from
principle of EDTA method
Explain the Need For Product Development In the present market scenario of processed foods we observe that sales profile of established brand names undergo unpredictable fluct
Carbon has maximum catenation ability. The self-linkage of the atoms of elements to make long chains is known as catenation.
The mineral pyrite, or iron pyrite, is an iron sulfide with the formula FeS 2 . This mineral''s metallic luster and pale brass-yellow hue have earned it the nickname fool''s gold b
diagonal relationship of Be and Al
Gattermann-koch aldehyde synthesis Benzene is transformed into benzaldehyde by passing a mixture of carbon monoxide and HCl gas within high pressure into the ether solution of
Illustrate the following observations: (a) Cottrell's smoke precipitator is fitted at the mouth of the chimney used in factories. (b) Ferric hydroxide sol. Gets coagulated
Q. Describe the Half -Life property of radioactive decay? Ans. The decay of a nucleus is a random event. It is impossible to predict which nucleus will decay and when.
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