s-block elements.., Chemistry

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notes on s-block elements

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Illustrate the physical properties of ammonia, Q. Illustrate the Physical p...

Q. Illustrate the Physical properties of Ammonia? Ans. Ammonia is a colorless gas that has a strong penetrating odor. It boils at -33 o C and is easily liquefied by press

Hess law, ?H value obtained for the reaction NH3 + HCl –› NH4Cl using t...

?H value obtained for the reaction NH3 + HCl –› NH4Cl using the thermodynamic data in your lab procedure?

Explain protonation, Explain Protonation Protonation of the ring double...

Explain Protonation Protonation of the ring double bond gives a tertiary carbocation that reacts with the carbonyl oxygen of the ester to give the lactone.

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Electrovalent bond formation depends on: (1) Ionization energy (2) Electron affinity (3) Lattice energy (4) All the three above Ans:  All the three above

#chemical thermodynamics, give an example of a compound whose empirical for...

give an example of a compound whose empirical formula & molecular formula are same.

Why carboxylate salts less reactive than esters, Carboxylate salts Car...

Carboxylate salts Carboxylate salts are less reactive than esters in nucleophilic acyl substitution reactions for two reasons.  First, resonance stabilization of carboxylate s

Explain acid-catalyzed, This is an acid-catalyzed addition to the double bo...

This is an acid-catalyzed addition to the double bond much like hydration, except that an alcohol rather than water is the nucleophile that reacts with the carbocation intermediate

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Clch2ch2ch2coph +koh+meoh -> the product is...?, ClCH 2 CH 2 CH 2 COPh + Me...

ClCH 2 CH 2 CH 2 COPh + Methanoic acid ---------------->   CH2-(CH2)-CH2-CO-C 6 H 6

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