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EFN103G - 14 sept

Authored by Benjamín Ragnar Sveinbjörnsson

Chemistry

University

Used 7+ times

EFN103G - 14 sept
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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Hver eftirfarandi efna eru hendin?

I, IV, og V

bara II

II og III

bara III

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Hvert er IUPAC nafn fyrir eftirfarandi efnasamband?

(S) -2-methyl-but-3-yn-1-ol

(R) -2-methyl-but-3-yn-1-ol

(R) -2-methyl-but-1-yn-3-ol

(S) -2-methyl-but-1-yn-3-ol

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is true about any (R) -enantiomer?

It rotates plane-polarized light to the right.

It rotates plane-polarized light to the left.

It is a racemic form.

It is the mirror image of the corresponding (S) -enantiomer

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following is a meso compound?

I

II

III

IV

V

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Hvernig væri hægt að aðskilja handhverfur úr rasemískri blöndu?

með því að eima þær frá hvor annarri

með því að mæla ljósnúning blöndunnar

með því að mynda víxlhverfusölt

það er ómögulegt að aðgreina handhverfurnar

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