Chemistry Quiz 1

The element platinum belongs to the block

s-block

p-block

d-block

f-block

Quantum numbers set of the 19th electron of chromium

4, 1, 0, +½

3, 0, 0, +½

4, 0, 0, +½

4, 0, 1, +½

Why ideal gas cannot be liquefied?

Because ideal gases have no intermolecular attraction

Because ideal gases have intermolecular attraction

Because ideal gas bring the temperature below 0⁰ K

Because the ideal gas molecule has a definite volume

Effective nuclear charge of potassium ion

6.40

7.40

5.40

8.40

What is the SI units of Van der Waals constant b?

m² mol⁻²

m² mol⁻¹

m⁴ mol⁻¹

m³ mol⁻¹

How many geometric isomers are possible in butene?

3

2

5

4

IUPAC name of CH₃CH₂C(CH₃) = CH₂

3-methylbut-1-ene

methylbut-1-ene

2-methylbut-1-ene

2-methylbut-2-ene

The correct order of energy of 2s orbitals in H, Li, Na, and K

K < Na < Li < H

Na < Li < K < H

Na < K < H < Li

H < Na < Li < K

The hybridization of xenon atom in XeF₄

sp3

dsp2

sp3d2

d2sp3

The formal oxidation number of Cr and Cl in the ions Cr₂O₇^-2 and ClO₃^- are

+6 and +7

+7 and +5

+6 and +5

+8 and +7

Your score is

Chemistry Quiz 1

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