1
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
2
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
$$CuS{O_4}$$
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?
A
SCN$$ - $$ < F$$ - $$ < CN$$ - $$ < C2O42-
B
F$$ - $$ < SCN$$ - $$ < C2O42- < CN$$ - $$
C
CN$$ - $$ < C2O42- SCN$$ - $$ < F$$ - $$
D
SCN$$ - $$ < F$$ - $$ < C2O42- < CN$$ - $$
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory?
A
$$t_{2g}^4e_g^2$$
B
$$t_{2g}^6e_g^0$$
C
$${e^3}t_2^3$$
D
$${e^4}t_2^2$$
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