Kimyoviy bog‘lanish

01-2son-40.
146. Kimyoviy bog‘ning uzunligi kattaroq bo‘lgan molekulani ko‘rsating.
A) brom B) vodorod yodid C) yod D) kislorod
E) xlor
01-5son-46.
147. Qaysi molekulada kimyoviy bog‘ning uzunligi eng kichik bo‘ladi?
A) NBr₃ B) J₂ C) Cl₃N D) PCl₃ E) NH₃
01-5son-53.
148. Kimyoviy bog‘ning uzunligi eng katta bo‘lgan molekulani ko‘rsating.
A) kremniy ftorid B) fosfor(V) ftorid
C) ftor oksid D) brom(V) ftorid
E) yod(V) ftorid
01-5son-59.
149. Kovalent bog‘ning qutbliligi kamayib boradigan qatorni ko‘rsating.
A) arsin, ammiak, fosfin
B) vodorod bromid, vodorod xlorid, vodorod yodid
C) ammiak, fosfin, arsin
D) selen(IV) oksid, tellur(IV) oksid,
oltingugurt(IV) oksid
E) uglerod(IV) oksid, uglerod(IV) xlorid,
uglerod(IV) ftorid
01-6con-40.
150. Elektromanfiyligi kamayib borgan elementlar qatorini ko‘rsating.
A) AI, J, Br, CI, F B) Br, Se, As, Ge, Ga
C) B, C, N, 0, F D) Po, Te, Se, S, 0
E) Ga, Ge, As, Se, Br
01-8son-11.
151. Atomlari orasidagi masofa eng kichik bo‘lgan modda molekulasini toping.
A) F₂O B) CI₂O C) Br₂O D) J₂O E) H₂O
01-8son-12.
152. Quyidagi moddalarning qaysilarida kimyoviy bog‘larda qatnashuvchi zarrachalarning biri neon elektron qobig‘iga, ikkinchisi esa argon elektron qobig‘iga ega?
1) magniy ftorid 2) magniy xlorid 3) kalsiy xlorid 4) kalsiy ftorid 5) uglerod(IV) xlorid
A) 1,5 B) 1,4 C) 2,3 D) 2,4 E) 1,2
01-10son-42.
153. Brom atomining kovalent radiusi 0,114 nm ga teng. Agar vodorod atomining kovalent radiusi 0,03 nm ga teng bo‘lsa, brom molekulasi va vodorod bromiddagi yadrolararo masofalarni aniqlang.
A) 0,114 : 0,053 B) 0,258 : 0,03 C) 0,117 : 0,372
D) 0,228 : 0,144 E) 0,258 : 0,114