1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Ethylene diaminetetraacetate (EDTA) ion is :
A
Tridentate ligand with three "N" donor atoms
B
hexadentate ligand with four "O" and two "N" donor atoms
C
Unidentate ligand
D
Bidentate ligand with two "N" donor atoms
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Match List-I with List-II :

List-I List-II
(a) $${[Fe{(CN)_6}]^{3 - }}$$ (i) 5.92 BM
(b) $${[Fe{({H_2}O)_6}]^{3 + }}$$ (ii) 0 BM
(c) $${[Fe{(CN)_6}]^{4 - }}$$
(iii) 4.90 BM
(d) $${[Fe{({H_2}O)_6}]^{2 + }}$$
(iv) 1.73 BM


Choose the correct answer from the options given below.
A
(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
B
(a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
C
(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
D
(a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
The calculated spin only magnetic moment of Cr2+ ion is?
A
4.90 BM
B
5.92 BM
C
2.84 BM
D
3.87 BM
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Urea reacts with water to form A which will decompose to form B. B when passed through Cu2+ (aq), deep blue colour solution C is formed. What is the formula of C from the following?
A
$${[Cu{(N{H_3})_4}]^{2 + }}$$
B
$$Cu{(OH)_2}$$
C
$$CuC{O_3}.Cu{(OH)_2}$$
D
$$CuS{O_4}$$
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