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