Azotli organik birikmalar. Yuqori molekulyar birikmalar

Question 1

A va B aminokislota ekanligini bilgan holda, B moddani aniqlang.

Accepted Answer

sistein

Answer

lizin

Answer

serin

Answer

glutamin kislota

Question 2

2,4,6-tribromanilin molekulasidagi barcha uglerod atomlarining oksidlanish daraja yig‘indisini toping.

Accepted Answer

$+2$

Answer

$-3$

Answer

$-2$

Answer

$+3$

Question 3

Alanin tarkibidagi uglerod atomlarinnig oksidlanish darajalari yig‘indisini aniqlang.

Accepted Answer

0

Answer

−6

Answer

+3

Answer

−4

Question 4

Birlamchi aminlarga nitrit kislota ($\mathrm{NaNO_2 + H_2SO_4}$) ta’sir ettirilsa birlamchi spirt, erkin azot va suv hosil bo‘ladi (metilamin va aromatik aminlar bundan mustasno).

Ushbu ma’lumot asosida 1-amino-3,4-dimetilpentanga nitrit kislota ta’sir ettirilganda olingan spirt molekulasi tarkibida ikkilamchi uglerod atom(lar) sonini toping.

Accepted Answer

1

Answer

3

Answer

2

Answer

4

Question 5

Tarkibida $3{,}01\cdot 10^{21}$ ta makromolekula tutgan izopren kauchukni qisman bromlash uchun 600 g 3,2 % li bromli suv sarflandi (makromolekuladagi polimer zanjirida uzilish kuzatilmagan).

Hosil bo‘lgan polimer tarkibida bromning massa ulushi 32 % bo‘lsa, dastlabki kauchukning polimerlanish darajasini toping.

Accepted Answer

120

Answer

100

Answer

200

Answer

240

Question 6

0,01 mol polipeptid (oqsil) gidrolizidan hosil bo‘lgan aminokislotalar 0,3 kg 16 % li $NaOH$ eritmasi bilan reaksiyaga kirishdi ($R - CH(NH_2)COONa$ hosil bo‘ldi). Polipeptid nechta aminokislota qoldig‘idan tarkib topganligini aniqlang.

Accepted Answer

120

Answer

100

Answer

200

Answer

150

Question 7

Ishqoriy muhitga ega bo‘lgan aminokislotani toping.

Accepted Answer

lizin

Answer

fenilalanin

Answer

glutamin kislota

Answer

glitsin

Azotli organik birikmalar. Yuqori molekulyar birikmalar

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