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