Class 12th
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New question posted
6 months agoNew answer posted
6 months agoContributor-Level 10
Let 't' be the time taken by B to meat
A.
for A, u = 0
t = [2 + t]
h = 80m
a = 10 m/sec2
h = ut +
80 = 0 * t +
16 = (2 + t)2
t + 2 = 4
t = 2sec
Now for B
h = ut +
80 = 2u + 5 * 2 * 2
80 = 2u + 20
2u = 60
u = 30m/sec
New answer posted
6 months agoContributor-Level 10
The structure consisting benzene ring is called benzenoidal structure and options (A) and (B) do not contain benzene ring, so they are non benzenoidal.
New answer posted
6 months agoContributor-Level 10
Match list-I with list-II
List-I Pollutant | List-II Source | ||
(a) | Microorganisms | (i) | Domestic sewage |
(b) | Plant nutrients | (ii) | Chemical fertilizer |
(c) | Toxic heavy metals | (iii) | Chemical factory |
(d) | Sediment | (iv) | Strip mining |
New answer posted
6 months agoContributor-Level 10
K2 [Cu (CN)4]
Oxidation number of Cu is +1
Cu+ = [Ar]3d10 ® Diamagnetic
New answer posted
6 months agoContributor-Level 10
Due to high lattice energy, LiF is sparingly soluble in water. Li+ has high hydration energy among its group members due to the smallest size.
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