Welcome to your P & C of OC - 6
1.
Sulphur is finally estimated as
2.
Molecular weight of acid = equivalent weight ×
3.
If empirical formula = CH2 and molar mass = 56, molecular formula is
4.
Chloroplatinate salt contains metal
5.
Victor Meyer apparatus measures volume of
6.
Carius method uses sealed tube to
7.
1 cm³ of H2 at NTP has mass
8.
Victor Meyer method is used to determine
9.
Pressure used in Victor Meyer method is
10.
BaSO4 is washed with hot water to remove
11.
Molecular mass determination is not possible for
12.
Phosphorus estimation by Carius method converts P into
13.
Volume of air displaced is measured at
14.
Empirical formula is always
15.
Factor 62/222 represents
16.
BaSO4 precipitate colour is
17.
Empirical formula does NOT give
18.
On ignition, MgNH4PO4 converts into
19.
Victor Meyer method cannot be used for
20.
Platinichloride method is used for
21.
Which compound is suitable for Victor Meyer method?
22.
Phosphoric acid is precipitated using
23.
Carius method is suitable for estimation of
24.
The precipitate obtained in phosphorus estimation is
25.
Atomic weight of silver used in calculation is
26.
Which method uses chloroplatinic acid?
27.
Which error affects Victor Meyer method most?
28.
Molecular weight of BaSO4 is
29.
Percentage of phosphorus is calculated using
30.
Molecular weight is related to vapour density by
31.
In Victor Meyer method, correction is needed for
32.
Silver salt method is used for molecular weight of
33.
White precipitate in sulphur estimation is
34.
Molecular mass of Mg2P2O7 is
35.
Factor 32/233 is used to calculate
36.
Victor Meyer method requires compound to be
37.
Ignition of MgNH4PO4 removes
38.
Molecular formula is derived using
39.
Why NH4Cl is added in magnesia mixture?
40.
Vapour density is calculated using
41.
Silver salt method fails for acids having
42.
Sulphur estimation by Carius method converts sulphur into
43.
Silver salt method depends on formation of
44.
Empirical formula mass is always
45.
Empirical formula gives
