Ncert Solutions Chemistry Class 12th
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New answer posted
2 months agoContributor-Level 9
Cl?C=CCl? is not used for dry cleaning of clothes due to safety purpose.
New answer posted
2 months agoContributor-Level 10
(x/m) = k (p)¹/? (1)
64 (x/m) = k (2p)¹/? (2)
From equation (1) and (2)
64 = 2¹/?
2? = 2¹/?
1/n = 6
n = 1/6
⇒ n = 0.167
= 16.7 * 10? ²
New answer posted
2 months agoContributor-Level 9
[Diagram of a micelle formed by sodium stearate in oil]
Spherical micelles forms and hydrocarbon part are water repelling and attracted by oily part.
New answer posted
2 months agoContributor-Level 10
Organic compound + Cl? → A (Containing Cl)
5gm
A + AgNO? → AgCl
0.5 gm → 0.3849gm
Mole of AgCl = 0.3849 / 143.32
Mass of Cl = (0.3849/143.32) * 35.5 ≈ 0.095
% of Cl in A = (0.095/0.5) * 100 = 19%
New answer posted
2 months agoContributor-Level 10
In triethyl amine, nitrogen is sp³ hybridized, hence bond angle is approximately 109°28' but since lone pair- bond pair repulsion is greater than bp-bp repulsion. Hence, the exact angle is found to be 108°.
New answer posted
2 months agoContributor-Level 10
In Aniline, lone pair is delocalized on less EN carbon atom while in acetamide it is delocalized on more EN oxygen atom. Hence aniline is more basic than acetamide.
New answer posted
2 months agoNew answer posted
2 months agoContributor-Level 10
% of N = (1.4 * Normality of acid * volume of acid used) / (mass of organic compound)
42 = (1.4 * (1 * 2) * volume of acid used) / 0.8
Volume of acid used = (42 * 0.8) / (1.4 * 2) ml
New answer posted
2 months agoContributor-Level 9
(CH? )? N? HCl produces H? which reacts with NaHCO? and CO? gas evolved, because HCl is stronger acid than H? CO?
New answer posted
2 months agoContributor-Level 10
It is process in which nutrient enriched water bodies support a dense plant population which kills animal life by depriving it of oxygen and result in subsequent loss of biodiversity is known as Eutrophication.
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