18. Which one of the following compounds paramagnetic A) NO B) N₂O4 C) N₂O3 D) N₂O

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inorganic chemistry, pleaseeee solve questionnn 18

18. Which one of the following compounds paramagnetic
A) NO
B) N204
C) N₂O3
19. The chemical formula of fluoric acid is
A) HFO₂
B) HFO,
C) HFO
D) HF
20. What is the formal charge on Sulfur in the best lewis structure for SCN¹ (thiocynate) ion?
A)-1
B) 0
C) 1
D) 2
21. Which one of the following is ionic compound?
C) CaCO3
A) Br₂
B) BeClz
22. The oxidation state of chromium in [Cr(C2O4)2(OH)3]-¹
C) 6
A) 3
B) 4
23. Which name-formula combination is NOT correct?
D) N₂O
C) sp'd
D) PF's
D) 7
A) [Co(NH3)4(OH₂)IJSO4 tetraammineaquaiodocobalt(III) sulfate B) [Ni(CO)4] tetracarbonyInickel(0)
C) Ca[PICL] calcium tetrachloroplatinate(II)
D) [Mn(CN)s] pentacyanomanganate() ion
24. The hybridization on the central atom in NO+¹
D) sp
A) sp³
B) sp²
25. Which of the following is an ionic hydride?
A) PH3
B) HI
C) H₂S
D) KH
26. A chemical bond formation that involves the complete transfer of electrons between atoms is
A) covalent bond
B) partial covalent bond C) metallic bond
D) ionic bond
Transcribed Image Text:18. Which one of the following compounds paramagnetic A) NO B) N204 C) N₂O3 19. The chemical formula of fluoric acid is A) HFO₂ B) HFO, C) HFO D) HF 20. What is the formal charge on Sulfur in the best lewis structure for SCN¹ (thiocynate) ion? A)-1 B) 0 C) 1 D) 2 21. Which one of the following is ionic compound? C) CaCO3 A) Br₂ B) BeClz 22. The oxidation state of chromium in [Cr(C2O4)2(OH)3]-¹ C) 6 A) 3 B) 4 23. Which name-formula combination is NOT correct? D) N₂O C) sp'd D) PF's D) 7 A) [Co(NH3)4(OH₂)IJSO4 tetraammineaquaiodocobalt(III) sulfate B) [Ni(CO)4] tetracarbonyInickel(0) C) Ca[PICL] calcium tetrachloroplatinate(II) D) [Mn(CN)s] pentacyanomanganate() ion 24. The hybridization on the central atom in NO+¹ D) sp A) sp³ B) sp² 25. Which of the following is an ionic hydride? A) PH3 B) HI C) H₂S D) KH 26. A chemical bond formation that involves the complete transfer of electrons between atoms is A) covalent bond B) partial covalent bond C) metallic bond D) ionic bond
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