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Dissolve 50g of KI in the smallest possible quantity of cold water (50 ml). Add a saturated solution of mercuric chloride (about 22g in 350ml of water will be needed) until an excess is indicated by the formation of a precipitate. Then add 200ml of 5N NaOH and dilute to 1 liter. Let settle, and draw off the clear liquid.
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How do you prepare ehrlich reagent?
preparation of Ehrlich'reagent: p-DABA = 70mg Methanl = 14ml Acetic Acid = 86ml
What is the impurity formed during the preparation of the Grignard reagent if phenyl bromide was used instead of bromobenzene?
Uses of phenyl in domestic purpose
Preparation of C5H11OH with grignard reagent?
When C4H9-Mg-Cl reacts with formaldehyde and product is treated with acidified water pentyl alcohol (1-pentanol) is formed.
What is tollen's reagent and baeyer's reagent?
tollen's reagent = [Ag(NO)2]+ baeyer's reagent= KMnO4
Equation of formaldehyde schiff's reagent benzaldehyde schiff's reagent and acetone schiff's reagent?
Formaldehyde schiffs reagent Formaldehyde schiffs reagent
What is the equation for the preparation of ketones from secondary alcohols?
You can only make any ketone from any secondary alcohol by using PCC, Jones reagent, or NaCr2O4 in acid as a reagent.
Illustrate with equation the preparation of alkanes by wurtz synthesis?
wurtz synthesis: 2CH3Cl + 2Na = CH3-CH3 + 2NaCl Grignard Synthesis: - Preparation of Grignard reagent: CH3Cl + Mg = CH3MgCl - Hydrolysis of Grignard reagent: CH3MgCl + HCl = CH3-H + MgCl2
How do you prepare ehrlich reagent?
preparation of Ehrlich'reagent: p-DABA = 70mg Methanl = 14ml Acetic Acid = 86ml
What has the author D Rochford written?
D. Rochford has written: 'The preparation and use of Harvey's reduced strychnine reagent in oceanographical chemistry'
What is the impurity formed during the preparation of the Grignard reagent if phenyl bromide was used instead of bromobenzene?
Uses of phenyl in domestic purpose
Preparation of C5H11OH with grignard reagent?
When C4H9-Mg-Cl reacts with formaldehyde and product is treated with acidified water pentyl alcohol (1-pentanol) is formed.
What is the correct procedure for removing liquid reagent from its container in preparation for its use in an experiment?
tilt & gently shake the bottle until the desired amount of solid is dispensed.
What has the author Joseph Rosin written?
Joseph Rosin has written: 'Reagent chemicals and standards; with methods of testing and assaying them; also the preparation and standardization of volumetric solutions and extensive tables of equivalents' 'Reagent chemicals and standards' -- subject(s): Specifications, Chemical tests and reagents
What is tollen's reagent and baeyer's reagent?
tollen's reagent = [Ag(NO)2]+ baeyer's reagent= KMnO4
Equation of formaldehyde schiff's reagent benzaldehyde schiff's reagent and acetone schiff's reagent?
Formaldehyde schiffs reagent Formaldehyde schiffs reagent
Why you use concentrated nitric acid in preparation of ammonium ferric sulphate?
Nitric acid being an oxidizing reagent help the oxidation of Fe(II) to Fe(III).
Why methyl-chloride and ethyl-chloride are not used for grignard reagent preparation?
It is not easy to break C-Cl bond as it is strong. Hence alkyl chlorides are not suitable for Grignard reagents.
