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Expected Chemistry Questions | JEE Advanced 2019

38 lessons,

5h 19m

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1.1k

1.
Course Overview
2:09
2.
Expected Chemistry Questions: Part 1
9:25
3.
Expected Chemistry Questions: Part 2
8:39
4.
Expected Chemistry Questions: Part 3
9:12
5.
Expected Chemistry Questions: Part 4
8:35
6.
Expected Chemistry Questions: Part 5
9:06
7.
Expected Chemistry Questions: Part 6
8:28
8.
Expected Chemistry Questions: Part 7
9:17
9.
Expected Chemistry Questions: Part 8
8:28
10.
Expected Chemistry Questions: Part 9
8:28
11.
Expected Chemistry Questions: Part 10
9:19
12.
Questions (XII)
8:50
13.
Questions (XIII)
8:09
14.
Questions (XI)
8:33
15.
Questions (XIV)
8:01
16.
Questions (XV)
8:30
17.
Questions (XVI)
8:50
18.
Questions (XVII)
8:19
19.
Questions (XVIII)
8:08
20.
Questions (XIX)
9:08
21.
Questions (XX)
9:27
22.
Questions (XXI)
8:32
23.
Questions (XXII)
9:35
24.
Questions (XXIII)
8:34
25.
Questions (XXIV)
8:34
26.
Questions (XXV)
8:29
27.
Questions (XXVI)
8:10
28.
Questions (XXVII)
8:10
29.
Questions (XXVIII)
8:42
30.
Questions (XXIX)
8:44
31.
Questions (Part XXX)
8:03
32.
Questions (Part XXXI)
8:06
33.
Questions (Part XXXII)
8:09
34.
Questions (Part XXXIII)
8:02
35.
Questions (Part XXXIV)
8:07
36.
Questions (XXXV)
8:09
37.
Questions (Part XXXVI)
8:07
38.
Questions (Part XXXVII)
8:14
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Comments

(2)

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Unacademy user

Sashwati Rajbangshi

Satkosia wildlife santutary located in Odisha

Devdatta Biswas

1. Fe2+ with NaCN or KCN gives Na(or K)4[Fe(CN)6] which, with Fe3+ gives Fe4[Fe(CN)6}3 which is called Ferri-ferrocyanide (or, IUPAC: Ferric Hexacyanoferrate(II)), which is blue in colour. 2. Fe3+ with Na(or K)CN gives [Fe(SCN)]2+ or, Fe(SCN)3 i.e., Ferrous-thiocyanate which gives blood red coloration.

Sir brown ring complex does show charge transfer o_O

8 months ago

yes