Kompleksiniai junginiai Flashcards

1
Q

Kompleksu susidarymui reikalingos dvi medziagu rusys

A

1) jonas ar molekule, turini maziausiai viena pora elektronu prieinama donoriniam- akceptoriniam rysiui
2) metalo jonas ar atomas, turintis laisvu orbitaliu ir pakankama trauka elektronams, kad sudarytu koordinacini- kovalentini rysi

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2
Q

KOmpleksu pradininkas

A

Alfred Warner, 1913 gavo Nobelio premija

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3
Q

Kokios dvi dalys sudaro

A

Isorine sfera ir vidine sfera

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4
Q

Kas yra vidineje sferoje?

A

centrinis atomas, ligandas (donoras ir koordinacinis skaicius)

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5
Q

Kada ligandas jungiasi su dveim ar daugiau donoriniais atomais jis vadinamas

A

polidentatiniu ligandu

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6
Q

Susidares junginys su polidentatiniu ligandu

A

chelatinis junginys

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7
Q

Tarp isorines sferos ir kompleksinio jono yra

A

joninis rysys

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8
Q

Kodel tirpale koordinaciniai junginiai elgiasi kaip stiprus elektrolitai?

A

Nes turi jonini rysi

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9
Q

Kompleksinis jonas tirpale kaip

A

silpnas elektrolitas (disociacija griztama)

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10
Q

Chelatai sudaro

A

(cikliniai junginiai) atvira kompleksiniu junginiu grupe

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11
Q

Chelatu ligandai

A

sudetingos organiniu junginiu molekules

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12
Q

Chelatu grupei priklauso

A

intrakompleksiniai junginiai, kuriu centrinis atomas su ligandai sujungtas ivairiai

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13
Q

Kaip sujungiami intrakompleksiniu junginiu centrinis atomas su ligandais?

A

donorinemis-akceptorinemis jungtimis, nesuporuotais elektronais

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