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Addition of 0.643 g of a compound to 50 mL of benzene (density : 0.879 g/ml) lowers the freezing point from 5.51^(@)C to 5.03^(@)C. If K_(f) for benzene is 5.12,calculate the molecular weight of the compound.

Addition of 0.643 g of a compound to 50 mL of benzene (density 0.679 h/mL) lower the freezing point from 5.51^(@)C to 5.03^(@)C. If K_(f)=5.12 km^(-1), calculate the molecular mass of the compound.

Adding powdered Pb and Fe to a solution containing 1.0 M each of Pb^(+2) and Fe^(+2) ions would result in the formation of :

alculate the wavenumber for the shortest wavelength transition in the Balmer series of atomic hydrogen.

Addison's disease can be cured by

Adding powdered lead and iron to a solution that is 1M in both Pb^(2+) and Fe^(2+)ions, would results to a reaction in which (E^@ Fe^(2+)//Fe = -0.44V, E^@Pb^(2+)//Pb = -0.13V)

Aldehyde 'A' and 'B' are :

Adding of Cl_2 to benzene in the presence of AlCl_3 is an example of

Adding alum to turbid water, impurties are removed due to -

Alcohols which can give white turbidity immediately on reaction with Lucas reagent are :

Adding a few drops of dilute HCl to freshly precipated ferric hydroxide produces a red-coloured colloidal solution. This phenomenon is known as

Addition of excess of sodium hydroxidesolution to a solution of nickel sulphate result in the formation of a:

Alcohols undergo dehydration in the following sequence :

Add 4.00 xx 10^(-2) , 3.26 xx 10^(-3)and 1 xx 10^(-6)to the correct number of significant digits :

Adam's catalyst is :

Acylic stereioisomers having the molecular formula C_(4)H_(7)Cl are classified and tabulated. Find out the correct set of numbers

Acylation process is preferred than direct alkylation because (by the Friedel-Craft's reaction)

Alcohols reacts with sodium metal to release hydrogen gasTrue/False

Acylation of —NH_2 group in aniline reduces its reactivity in electrophilic substitution reactions.

Alcohols react with Grignard reagent to form

Acylation of benzene to produce aliphatic aromatic ketones is known as

Alcohols react with ceric ammonium nitrate reagent and give :

Acylation of alkyl phenyl ether gives

Alcohols react with active metals e.g., Na, K, etc. To give corresponding alkoxides. Write down the decreasing order of reactivity of sodium metal towards primary, secondary and tertiary alcohols.

Alcohols react with active metals, e.g., Na, K etc. to give corresponding alkoxides. Write down the decreasing order of reactivity of sodium metal primary, secondary and tertiary,

Acylation and benzoylation of Aniline aer……………. Reactions.

Alcohols react with activemetals, e.g., Na, K, etc. to give corresponding alkoxides. Wriite down the decreasing order of reactivity of sodium metal towards primary, secondary and tertiary alcohols.

Acyl halides are prepared by the action of _____on carboxylic acids.

Acyl halide is formed by reacting PCl_(5) with :

Actylene reacts with ammonical Cu_(2)Cl_(2) to give precipitate of

Actully 18-crown- 6 ether means,

Activity of disinfectant is expressed by .......

Alcohols of low molecular weight are :

Actone and acetophenone can be identified by :

Alcohols of high molecular masses are

Activity of a radioactive substance is A_(1) at time t_(1) and A_(2) at time t_(2)(t_(2) gt t_(1)) , then the ratio of f(A_(2))/(A_(1)) is:

Alcohols may behave as :

Active mass of 5.6 g CaO(s) is

Active mass is

Activation of charcoal :

Three alcohols (i) CH_3CH_2CH_2OH, (ii) CH_3-CHOH-CH_3and (iii) CH_3-C(CH_3)(OH)-CH_3 were treated seperately with Lucas reagent (Conc. HCl+ZnCl_2) . What results do you expect at room temperature.

Activation of benzene ring in aniline can be decreased by treating with

Alcohols (i) CH_(3)CH_(2)CH_(2)OH, (ii) CH_(3)-CHOH-CH_(3) and (iii) CH_(3)-C(CH_(3))(OH)-CH_(3) were treated with Lucas reagent (Conc. HCl+ZnCl_(2)). What results do you expectat room temperature

Activation energy or Energy or activation.

Alcohols gives alkyl halides, treatment with

Alcohols exhibit

Activation of benzene ring by-NH_(2) in aniline can be decreased by treating with

Alcohols CANNOT be prepared from __________.

Activation energy of forward and backward non catalysed reaction arex and x. respectively.If they are done using catalyst the activation energy of forward and backward reactions are y and y. respectively ,then which of the following relation is true?