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Answered 2011-09-05 03:28:58

Balanced equation formed:

H2SO4 + 2KBr ==> 2HBr + K2SO4

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Sodium formate is heated with conc sulphuric acid?

2 HCOONa + H2SO4 → 2 CO + 2 H2O + Na2SO4

How will you prepare picric acid from benzene?

React benzene with conc. H2SO4 and then with conc. HNO3. The resultant would be picric acid

What is conc sulfuric acid?

Concentrated sulphuric acid. It is H2SO4 in a concentration of probably 6M or above.

What is the reaction between Sulfuric acid and hematite?

3h2so4+fe203------>fe2(H2So4)3 + H20 conc.

When hydrochloric acid is heated with manganese dioxide?

it gives off chlorine gas, the acid needs to be conc. though what the hell is to be conc. im not a nerd so can some one explain to me plesh

What do you use nitric acids for in laboratory?

lABORATORY METHOD:Nitric acid can be prepared in he laboratory by the action of the conc. h2so4 on the potassium nitrate

How can you prepare propene from propyl alcohol?

You use concentrated phosphoric or sulfuric acid at high temperatures in order to dehydrate it and eliminate the OH group. Therefore, conc. H3PO4 or conc. H2SO4 at 300 ˚C.

Why the conc h2so4 cant be used in preparation oh h2s?

h2so4 being good oxidising agent oxidises the h2s to h2o and free sulphur.so conc h2so4 cant be used in preparation of h2s gas

What is a Nitrating Agent?

Mixture of Conc. nitric acid and Conc. Sulphuric acid

How do you prepare 0.1M H2SO4 from the conc H2SO4?

Assuming the conc. H2SO4 is 18 M (or close to it), then use V1M1 = V2M2 and to make, say 1 liter,(x ml)(18 M) = (1000 ml)(0.1 M) and x = 5.56 mls of conc. H2SO4 diluted to a final volume of 1 liter to make 0.1 M.

Reaction of potassium astatide with concentrated sulfuric acid?

KAt + H2SO4(conc) = KHSO4 + HAt displacement then .......HAt + .......H2SO4 = At2 + H2S which can be balanced as follows: 2At- = At2 + 2e ] * 4 8e + 8H+ + H2SO4 = H2S + 4H2O overall is 8At- + 8H+ + H2SO4 = H2S + 4H2O + 4At2

How do you prepare 6 N sulfuric acid?

FOLLOW THIS FORMULA: N1V1=N2V2 36*V1=6*1000 V1=6000/36 =166ml from conc. H2SO4

How do you make Sulfuric acid 0.01N solution from concentrated sulfuric acid?

first make 10N solution by addind 27.7ml conc H2So4 in 73.3ml water then take 1 ml from 10N and add 999ml water

What is the procedure to prepare anthrone reagent?

0.2% of anthrone was dissolved in 100ml of conc H2SO4.

How do you standardize the solution of 1M conc H2SO4?

You standardize it by titrating it with another standardized base.

How do you prepare ethereal hcl?

You drop conc. HCl into conc. H2SO4 - this releases HCl gas which you can bubble through dry ether... Or, you use an HCl cylinder.

How do you prepare the 1.25 percent H2SO4 solution?

suppose you have conc. sulfuric acid 96% sp.gr 1.84 so 1.25% sulfuric equal to 1/96*100=1.3 1.3ml of conc. sulfuric per 100ml water so 13 ml per liter

How do you get diethyl ether?

Diethyl ether can be formed from alcohol by intermolecular dehydration of alcohols. When alcohol is heated with conc. H2SO4 at 140*C, diethyl ether is obtained. CH3CH2OH + H2SO4 -----------> CH3CH2OCH2CH3 ( diethyl ether) It must be noted that at high temp (180*C) the reaction is elimination which form alkene.

Why does the action of concentrated nitric acid render aluminum passive?

nitric acid is light sensitve , it decomposes when expose in light. when aluminium is added to the conc HNO3 it remain passive in conc nitric acid,...... and moreover aluminium oxide layer is also form due to which it remain passive in conc nitric acid...

Can conc nitric acid reacts with hydrochloric acid?

No reaction; you can obtain only an acid mixture.

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