MCQ (Single Correct Answer)
Precipitate X is
Among the following, the brown ring is due to the formation of
M1, Q and R, respectively, are
Reagent S is
The precipitate P contains
The coloured solution S contains
The metal rod M is
The compound N is
The final solution contains :
The compound X is
The compound Y is
The compound Z is
Subjective
A is binary compound of a univalent metal. 1.422 g of A
reacts completely with 0.321 g of sulphur in an evacuated
and sealed tube to give 1.743 g of a...
When 16.8 g of white solid X were heated, 4.4 g of acid
gas A, that turned lime water milky was driven off together
with 1.8 g of a gas B which conden...
Explain the following in not more than two sentenses.
A solution of FeCl3
in water gives a brown precipitate on
standing.
Compound A is a light green crystalline solid. It gives
the following tests :
(i) It dissolves in dilute sulphuric acid. No gas is
produced.
(ii) A dr...
A white amorphous powder (A) on heating yields a
colourless, non-combustible gas (B) and a solid (C).
The latter compound assumes a yellow colour on h...
The precipitation of second group sulphides in qualitative
analysis is carried out with hydrogen sulphide in the presence
of hydrochloric acid but not...