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Test 12 - Cinetica

Authored by Violeta Imbuzan

Chemistry

12th Grade

Used 4+ times

Test 12 - Cinetica
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9 questions

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1.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Precizati tipul reactiei din punct de vedere al vitezei de reactie(rapida / lenta):

H2O2 -> H2O + 1/2O2

2.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Precizati tipul reactiei din punct de vedere al vitezei de reactie(rapida / lenta):

AgNO3 (aq) + HCl (aq) -> AgCl(s) + HNO3 (aq)

3.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Benzenul se alchileaza cu clorometan in prezenta clorurii de aluminiu (AlCl3) rezultand toluen si acid clorhidric conform ecuatiei reactiei chimice:
C6H6 + CH3Cl -> C6H5-CH3 + HCl.


Precizati rolul AlCl3 in aceasta reactie

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Expresia matematica a legii de viteza pentru o reactie de tipul A + 2B ->produsi este:

V = K * [A] * [B]2

V = K * [A]2 * [B]

V = [A]2 * [B]

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Unitatea de masura a vitezei de reactie este:

Mol * L-1 * s-1

Mol-1 * L * s-1

Mol * L-1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Ordinul de reactie pentru urmatoarea reactie este:

2NO + Br2 -> 2NOBr

2

3

1

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pentru reactia de tipul 2A -> P, de ordinul II, se cunosc K = 2,5*10-6 L * mol-1 * s-1 si [A] = 0,2 mol * L-1 viteza are valoarea:

10-7

5 * 10-7

10-9

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