AD Chemistry by shyam
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19:12
10 mL of a solution of H2O2 of 10 volume strength decolouries 100 mL of KMnO4 solution acidified-
AD Chemistry by shyam
No views • 3 minutes ago
14:31
In the following equation: What volume of 0.2 M Na2CrO4 solution is required just to react with 30-
AD Chemistry by shyam
9 views • 1 day ago
25:11
If 100 mL of acidified 2 N H2O2 is allowed to react with KMnO4 solution till there is a light tinge-
AD Chemistry by shyam
10 views • 2 days ago
31:10
Volumetric strength of H2O2| Redox reaction| 34 g of H2O2 is present in 1120 mL of solution-
AD Chemistry by shyam
15 views • 8 days ago
22:07
What volume of 0.1 M KMnO4 in needed to oxidise 5 mg of ferrous oxalate in acidic medium-
AD Chemistry by shyam
20 views • 8 days ago
15:57
4 mole of solution containing An+ requires 1.6 mole of MnO4- For the oxidation of An+ to AO3-
AD Chemistry by shyam
17 views • 8 days ago
21:38
If 20 mL of 0.1 M K2Cr2O7 is required to titrate 10 mL of a liquid iron supplement, then the-
AD Chemistry by shyam
19 views • 8 days ago
7:38
The molarity of a solution obtained by mixing 750mL of 0.5 M HCl with 250 mL of 2 M HCl will be:
AD Chemistry by shyam
15 views • 11 days ago
9:52
PYQ JEE 2011 |Dissolving 120 g of urea (Mw =60) in 1000 g of water gave a solution of density-
AD Chemistry by shyam
37 views • 11 days ago
11:31
Stoichiometry| mole mole relation | Unitary methode|Calculate the amount of calcium oxide required-
AD Chemistry by shyam
25 views • 11 days ago
18:40
Redox Reaction|How to Balance the reaction| ion electron methode|reaction of potassium dichromate-
AD Chemistry by shyam
51 views • 11 days ago
6:38
What is the ratio of the velocities of CH4 and O2 molecules so that they are associated with de Bro-
AD Chemistry by shyam
58 views • 3 months ago
8:28
What is the total number of orbitals associated with the principal quantum number n =3 ?
AD Chemistry by shyam
27 views • 3 months ago
7:06
What is the total spin and magnetic moment of an atom with atomic number 7?
AD Chemistry by shyam
36 views • 3 months ago
8:48
What is the total number of orbitals and electrons for m = 0, if there are 30 protons in an atom?
AD Chemistry by shyam
47 views • 3 months ago
6:06
The velocity of electron moving in 3rd orbit of He+ is V. The velocity of electron moving in-
AD Chemistry by shyam
110 views • 3 months ago
8:41
The difference between nth and (n+1)th Bohr radius of H atom is equal toits (n-1)th Bohr radius-
AD Chemistry by shyam
64 views • 3 months ago
8:13
The ratio of the difference between the first and second Bohr orbit energies To that between the-
AD Chemistry by shyam
27 views • 3 months ago
8:26
The normality of the solution obtained by mixing 100 ml of 0.2 M H2SO4 with 100 ml of 0.2 M NaOH is
AD Chemistry by shyam
86 views • 3 months ago
8:10
A bulb emits light of wavelength 4500 Å. The bulb is rated as 150 W and 8% of the energy is emitted-
AD Chemistry by shyam
89 views • 3 months ago
7:34
Calculate the number of photons emitted in 10 hours by a 60 W sodium lamp.( λ of photon = 5893 Å)
AD Chemistry by shyam
120 views • 3 months ago
8:27
A 100 Watt bulb emits monochromatic light of wavelength 400nm. Calculate the number of photons-
AD Chemistry by shyam
47 views • 3 months ago
11:20
The density of 1M solution of NaCl is 1.0585 g mL-1. The molality of the solution is-
AD Chemistry by shyam
46 views • 3 months ago
4:23
NEET 2024 Question Paper/For the reaction 2A ⇌ B+C , Kc = 4 ×10-3 . At given time, the composition-
AD Chemistry by shyam
50 views • 3 months ago
6:29
NEET 2024 Question Paper /In which of the following,Kp and Kc are NOT equal?(a)CO(g) + H2O(g) ⇌ CO2-
AD Chemistry by shyam
40 views • 3 months ago
7:13
The weight of 1×1022 molecules of CuSO4.5H2O is:(a) 4.14 g (b) 5.14 g (c) 6.14 g (d) 7.14g
AD Chemistry by shyam
127 views • 3 months ago
13:36
Consider the ionization of H2SO4:The total number of ions furnished by 100 mL of 0.1 M H2SO4 will be
AD Chemistry by shyam
45 views • 3 months ago
10:12
JEE Advanced 2024 | Chemistry Discussion|A closed vessel contains 10 g of an ideal gas X at 300 K-
AD Chemistry by shyam
92 views • 3 months ago
20:56
Normality one shot class 11-Calculate the normality and molarity of the following(a) 0.74 g of Ca-
AD Chemistry by shyam
55 views • 4 months ago
8:23
Doubt class- Calculate the number of oxalic acid molecules in 100 mL of 0.02 N oxalic acid.
AD Chemistry by shyam
116 views • 4 months ago
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