Chemistry Test 140

Result

Chemistry Test 140

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Weekly Quiz Competition

Question 1
4 / -1

Line spectra is characteristic of

A
molecules

B
atoms

C
radicals

D
none of these
Question 2
4 / -1

The orbital angular momentum of an electron in 2 s orbitals is

A

B
zero

C

D
Question 3
4 / -1

Which of the following molecule is linear ?

A

B

C

D
Question 4
4 / -1

The correct order of hybridization of the central atom in the following species

A

B

C

D
Question 5
4 / -1

A diatomic molecule has a dipole moment of 1.2 D. If the bond distance is what percentage of electronic charge exists on each atom ?

A
12% of e

B
19% of e

C
25% of e

D
29% of e
Question 6
4 / -1

Enthalpy of a reaction at The reaction will be feasible if entropy is

A

B

C
greater than 50

D
less than 50
Question 7
4 / -1

Heat of neutralisation is least when

A
NaOH is neutralised by CH₃COOH

B
NaOH is neutralised by HCl

C
NH₄OH is neutralised by CH₃COOH

D
NH₄OH is neutrlised by HNO₃
Question 8
4 / -1

Starting with one mole of O₂ and two moles of SO₂, the equilibrium for the formation of SO₃ was established at a certain temperature. If V is the volume of the vessel and 2x is the number of moles of SO₃ present, the equilibrium constant will be

A

B

C

D
Question 9
4 / -1

For equilibrium

increase of temperature would

A
favour the formation of N₂O₄

B
favour the decomposition of N₂O₄

C
not alter the equilibrium

D
stop the reaction
Question 10
4 / -1

Ionic product of water is This is so

A
only for water

B
only for acidic solution

C
only for basic solution

D
for all the three above