Choose the alcohol that is most reactive with conc. `HCl//ZnCl_(2)`?

Choose the alcohol that is most reactive with conc. `HCl//ZnCl_(2)`?
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Choose the alcohol that is most reactive with conc. `HCl//ZnCl_(2)`? A. Methanol B. Ethanol C. 2-Propanol D. 2-methyl-2-propanol
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Which alcohol is most reactive towards `HCl` in the presence of anhydrous `ZnCl_(2)`?

Description : Which alcohol is most reactive towards `HCl` in the presence of anhydrous `ZnCl_(2)`?

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From amongest the following alcohols, the one that would react fastest with conc. HCl and anhydrous `ZnCl_(2)` is

Description : From amongest the following alcohols, the one that would react fastest with conc. HCl and anhydrous `ZnCl_(2)` is

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`underset"Conc."(HCl) + underset"Conc."(HNO_3)to` In this reaction change in oxidation number of N Is ______

Description : `underset"Conc."(HCl) + underset"Conc."(HNO_3)to` In this reaction change in oxidation number of N Is ______

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The order of reactivity of following alcohols, towards conc. HCl is :

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Assertion (A): Dehydration of alcohols can be carried out with Conc `H_(2)SO_(4)` but not with conc HCl Reason (R): `H_(2)SO_(4)` is dibasic while HCl

Description : Assertion (A): Dehydration of alcohols can be carried out with Conc `H_(2)SO_(4)` but not with conc HCl Reason (R): `H_(2)SO_(4)` is dibasic while HCl

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Aquaregia is a mixture of the following in the ratio 1 : 3 by volume– (1) cone. HNO3 and cone. HCL (2) conc. HNO3 and conc. H2SO4 (3) dil. HCl and dil. HNO3 (4) cone. HCl and cone. HNO3

Description : Aquaregia is a mixture of the following in the ratio 1 : 3 by volume– (1) cone. HNO3 and cone. HCL (2) conc. HNO3 and conc. H2SO4 (3) dil. HCl and dil. HNO3 (4) cone. HCl and cone. HNO3

Last Answer : (3) dil. HCl and dil. HNO3 Explanation: Aqua regia or nitro-hydrochloric acid is a highly corrosive mixture of acids which is formed by freshly mixing concentrated Nitric acid (HNO3) and Hydrochloric acid (HCl), optimally in a volume ratio of 1:3. It is used in dissolving gold.

0.257g of organic substance was heated with conc. sulphuric acid and then distilled with excess of strong alkali .the ammonia gas evolved was absorbed in 50ml of .1M HCl which required 23.2ml of c for neutralization at the end of the process. Determine the % of nitrogen in the compound ?

Description : 0.257g of organic substance was heated with conc. sulphuric acid and then distilled with excess of strong alkali .the ammonia gas evolved was absorbed in 50ml of .1M HCl which required 23.2ml of c for neutralization at the end of the process. Determine the % of nitrogen in the compound ?

Last Answer : A. Vol of 0 .1M HCl taken = 50ml Vol of .1MNaOH used for neutralization of unused acid=23.2ml Now, 23.2 ml of .1MNaOH =23.2ml of .1MHCl Vol of .1MHCl unused=23.2ml Vol of .1MHCl required ... NH3 solution contain nitrogen = 14*26.8/10*1000 Percentage of Nitrogen=14*26.8*100/10*1000*.257 =14.6%

Aquaregia is a mixture of the following in the ratio 1 : 3 by volume (1) conc. HNO3 and conc. HCl (2) conc. HNO3 and conc. H2 SO4 (3) dil. HCl and dil. HNO3 (4) conc. HCl and conc. HNO3

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Last Answer : dil. HCl and dil. HNO3

The major end product (B) of the reaction: `overset(HCI)underset(ZnCl_(2))rarr A overset(1.NaCN("excess"))underset(2.H_(2),Ni)rarr B`

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Ethylene glycol when heated in the presence of an hydrous `ZnCl_(2)` yields

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Which of the following compounds can form alcohol with `NaNO_(2)//HCl`?

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A compound undergoes reduction with LiAlH4. It also dissolves in aqueous NaOH from which it can be recovered by addition of HCl. The compound is (a) a carboxylic acid (b) an ester (c) an acid anhydride (d) an alcohol

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Isopropyl alcohol can be converted to acetone by treatment with (a) HCl/ZnCl2 (b) Na2Cr2O7/H2SO4 (c) NaOH (d) LiAlH4

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Which of the following reagents cannot be used to prepare an alkyl chloride from an alcohol? (a) HCl + ZnCl2 (b) SOCl2 (c) NaCl (d) PCl5

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A compound ‘X’ on heating with excess conc. sulphuric acid at 443 K gives an unsaturated compound ‘Y’. ‘X’ also reacts with sodium metal to evolve a colourless gas ‘Z’. Identify ‘X’, ‘Y’ and ‘Z’. Write the equation of the chemical reaction of formation of ‘Y’ and also write the role of sulphuric acid in the reaction. -Science

Description : A compound X' on heating with excess conc. sulphuric acid at 443 K gives an unsaturated compound Y'. X' also reacts with sodium metal to evolve a colourless gas Z'. Identify X', Y' ... the chemical reaction of formation of Y' and also write the role of sulphuric acid in the reaction. -Science

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Which of the following yields But-2 ene on dehydration with conc.`H_(2)SO_(4)`?

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Which of the following reactants on reaction with conc. NaOH followed by acidification gives following lactone as the product?

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Which gas is evolved when `PbO_(2)` is treated with conc `HNO_(3)` ?

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How many are redox reaction- `{:((i),K_(4)[Fe (CN)_(6)] + "conc."H_(2)SO_(4) overset(Delta)rarr,(ii),"conc." H_(2)SO_(4) + KCl rarr),((iii),"conc." H_

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Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

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Which of the following reactants on reaction with conc. NaOH followed by acidification gives following lactone as the product?

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In the given reaction `{:(" "CH_(3)),(" |"),(H_(3)C-C-C-CHO),(" | ||"),(" "H_(3)C " "O):} overset("(i)Conc. NaOH")underset((ii)H^(+)) to` product is

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Which gas is evolved when `PbO_(2)` is treated with conc `HNO_(3)` ?

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How many are redox reaction- `{:((i),K_(4)[Fe (CN)_(6)] + "conc."H_(2)SO_(4) overset(Delta)rarr,(ii),"conc." H_(2)SO_(4) + KCl rarr),((iii),"conc." H_

Description : How many are redox reaction- `{:((i),K_(4)[Fe (CN)_(6)] + "conc."H_(2)SO_(4) overset(Delta)rarr,(ii),"conc." H_(2)SO_(4) + KCl rarr),((iii),"conc." H_

Last Answer : How many are redox reaction- `{:((i),K_(4)[Fe (CN)_(6)] + "conc."H_(2)SO_(4) overset(Delta)rarr,(ii)," ... ,((ix),"conc." H_(2)SO_(4) + Cu rarr,,):}`

Cold conc. `HNO_(3)` will completely dissolve: (i) Pb (ii) `Pb_(3)O_(4)` (iii) Fe (iv) Sn (v) Mg (vi) MgO (vii) Hg (viii) Au (ix) Ag (x) Pt

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which one of the following salts will evolve halogen on treatment with conc. `H_(2)SO_(4)` ?

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`F_2 +"dil NaOH" to A + NaF + H_2O` `H_2O` + conc. NaOH `to` B + NaF + `H_2O` A and B respectively are :

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Which of the following complexes will be dehydrated to relatively minimum extent by conc. `H_(2)SO_(4)` under identical condition .

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Reddis-brown gas is obtained when the following are treated with conc. `H_(2)SO_(4)` ?

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`B_(3)^(3-)+Conc.H_(2)SO_(4)+CH_(3)-CH_(2)-OH overset(ignite)rarr(A)` What is the oxidation number of central atom that is responsible for green flame

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Sodium borate on reaction with conc. `H_2 SO_4` and `C_2 H_5 OH` gives a compound A which burns with a green edged flame. The compound A is

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When a mixture containing phosphate is heated with conc. `HNO_(3)` and ammonium molybdated solution, a canary yellow precipitate is formed . The formu

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When a mixture of solid NaCl, solid `K_(2)Cr_(2)O_(7)` is heated with conc. `H_(2)SO_(4)` orange red vapours are obtained. These are of the compound

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A Unknown salt (S) when heated with dil `H_(2)SO_(4)` does not evolve brown vapours but with conc. `H_(2)SO_(4)` brown vapours are obtained. The vapou

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Which of the following anion behaves in a different manner than other on heating with conc. `H_(2)SO_(4)` ?

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Which of the following pair of anions are identified by conc. `H_(2)SO_(4)`.

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If addition of conc. `H_(2)SO_(4)` is made to an unknown salt, a colourless and odouriess gas is produced then which of the following can be present ?

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Which anion does not liberate any gas with dilute as well as conc. `H_(2)SO_(4)`.

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In the nitration of benzene with a mixture of conc. `HNO_(3)` and conc. `H_(2)SO_(4)`, the active species involved is :

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Which is dehydrated to maximum extent using conc. `H_(2)SO_(4)`?

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Phenol `underset("distillation")overset("Zinc")(rarr)(A)underset("conc."HNO_(3) "at 333K")overset("conc." HNO_(3))(rarr)(B)underset("NaOH")overset(Zn)

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`"phenol" overset(conc.H_(2)SO_(4))rarrA overset(conc.HNO_(3))rarrB` Here A and B are respectively.

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Phenol on treatment with conc. `HNO_(3)` gives

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Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R): The reaction involves cleavage of C-O bo

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