Which of the following doesnt give a ppt. with silver nitrate solution?
A white-coloured inorganic compound, on heating, gives a gas which turns lime water milky and residue is left which is yellow when..
When H2S gas is passed in a metal sulphate solution in presence of NH4OH, a white precipitate is produced. The metal is identified..
Brown ring is made for
If a compound on analysis was found to contain C = 18.5%, h
H = 1.55%, CL = 55.04% and O = 24.81%, then its empirical formula is
The best method for the separation of naphthalene and benzoic acid from their mixture is
Which of the following pair of the species has the same percentage of carbon
A mixture of camphor and benzoic acid can be separated by
a gas "X" is passed through water to from a saturated solution.
In Kjeldahls method, CuSO4 acts as
the aqueous solution of which Salt is colored?
a ref solid is insoluble in water. however it becomes
Which of the following sulphides is yellow in colour ?
A salt of NaX Mgcl/ white ppt. on boiling. thus,
29.5 mg of organic compound containing nitrogen was
A violet colour compound formed in detection of S in a compound is
How will you separate a solution (miscible) of benzene +CHCL3
Borax bead test of Cr (chromium) is
The principle involved in the classification of basic radicals, is
The decomposition of organic compounds in the presence of oxygen and without formation of odoriferous substances, is called
Which one of the following metallic hydroxides does not dissolve in sodium hydroxide solution?
Fe (oh)3 can be separated from al (oh)3 by addition of
The yellow precipitate formed during the chromyl chloride test is chemically
An organic compound contains C = 38.8%, H = 16% and N = 45.2% . Empirical formula of the compound is
Black precipitates form in many metal ion solutions, then which anion is used as a precipitating agent?
Silver chloride dissolves in aqueous ammonia due to formation of
MnO2 and H2SO4 added to NaCl, the greenish-yellow gas liberated is
60g of a compound on analysis gave C = 24g, H = 4g and O = 32g. Its Empirical formula is
passing H2S gas into a mixture of Mn^2+, Ni^2+, Cu^2+, and
The incorrect statement in respect of chromyl chloride test is
Upon treatment with ammoniacal H2S, the metal ion solutions that precipitates as a sulphide is
An organic compound containing C,H and N gave following analysis : C = 40% , H = 13.33% and N = 46.67%. Its empirical formula woul..
Which of the following radicals gives the apple green flame during flame test ?
A solution of metal ion when treated with Kl, gives a red
In Nesslers reagent for the detection of ammonia the active species is
In the brown ring test, the brown colour of the ring is due to
In borax bead test, the coloured ions give characteristic coloured beads due to the formation of
What colour is imparted into the flame when lithium is burnt?
Fe(OH)3 can be separated from Al(OH)3 by the addition of
Fe^2+ ion is distinguished from Fe^3+ ion by
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