During dehydration of alcohols to alkenes by heating with concentrated sulphuric acid, the initiation step is Q. Why is sulphuric acid not used during the reaction of alcohols with KI?

Sulfanilic acid can be produced the sulfonation of aniline with concentrated sulfuric acid. This proceeds via phenylsulfamic acid; a zwitterion with a N-S bond. Eugen Bamberger originally proposed a mechanism involving a series of intramolecular rearrangements, with phenylsulfamic acid forming orthanilic acid , which rearranged to sulfanilic.

The sulfuric acid is dilute, so we will use H2SO4 + water in our thermodynamic equation: Change in Enthalpy: ΔH (20C) = -1346.8kJ (negative, so the reaction is exothermic) And we produce aluminum sulfate hexahydrate. What happens when Zn reacts with H2SO4?

When Zn is reacted with dilute sulphuric acid, zinc chloride is formed and hydrogen gas is liberated. This reaction is exothermic and hence heat is evolved in the reaction. Concept: Application of Activity Series in the Preparation of Hydrogen

(c) dilute sulphuric acid reacts with aluminium powder. Answer: Zinc, Magnesium, Aluminium and iron are metals. Acid reacts with Metals to form Salt and Hydrogen Gas

When dilute sulphuric acid is poured on zinc granules, then zinc being more reactive than hydrogen displaces it from the acid and forms zinc sulphate and hydrogen gas. Hydrogen is a combustible gas and burns with a popping sound. This can be observed when a match stick which is burnt is bought ear to the test tube.

Why is sulphuric acid not used during the reaction of alcohols with KI? 3 Write structures of different halogen derivatives of propane. 4 Among the isomeric alkanes of molecular formula C 5 H 12, identify the one that on photochemical chlorination yields A single monochloride. 4

It can be prepared via three different methods: indirect hydration of propylene, direct hydration of propylene, and catalytic hydrogenation of acetone. Indirect hydration, also called the sulfuric-acid process, was the only method used to produce isopro- panol worldwide until the first commercial direct-hydration process was introduced in 1951.

Why is sulphuric acid not used during the reaction of alcohols with KI? Solve with us Step 1 Step 2 In the presence of sulphuric acid H 2 SO 4, KI produces HI. 2 KI + H 2 SO 4 → 2 KHSO 4 + 2 HI Since H 2 SO 4 is an oxidising agent, it oxidises HI produced in the reaction to . Reveal Step Check NCERT Solutions School Boards

Chemistry Secondary School answer answered Calculate the pH of 0.01 M sulphuric acid. Answer 5 people found it helpful divya20asha Answer: One mole of H 2 SO 4 gives 2 mole H + ions. [H + ] ion concentration in 0.01M H 2 SO 4 =0.01×2=0.02 mole/l pH=−log [2×10 −2 ]=1.699 Explanation: Find Chemistry textbook solutions?

9.4.2 Selecting and Evaluating the End point. A redox titration’s equivalence point occurs when we react stoichiometrically equivalent amounts of titrand and titrant. As is the case with acid–base and complexation titrations, we estimate the equivalence point of a complexation titration using an experimental end point.

Thermodynamic properties of aqueous sulfuric acid were modeled with the Pitzer equation. Both the second dissociation constant K2 for sulfuric acid and the Pitzer parameters were fitted simultaneously. The most accurately considered experimental data including electrochemical cell, osmotic, enthalpy, and vapor pressure data at temperature range (0 to 170) °C were used in the assessment. After.