Chemistry Test 59

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Chemistry Test 59

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Weekly Quiz Competition

Question 1
4 / -1

Which of the following pairs of molecules have bond order three and are isoelectronic?

A
NO⁺, CO⁺

B
CN^–, CO

C
CN^–, O₂⁺

D
CO, O₂⁺

Solution

Bond order of : CN^-= CO = 3.0
Question 2
4 / -1

Which of the following is incorrect order of increasing inter molecular attraction ?

A
H₂ < D₂ < T₂

B
N₂< P₄ < S₈

C
Br₂ < I–Cl

D
H₂ < He

Solution

Inter molecular attraction of H₂ > He
Question 3
4 / -1

Which of the species is planar and polar :-

A
TeCl₄

B
SO₂

C
SF₆

D
XeF₂
Question 4
4 / -1

Which of the following orbital of central atom is not involved in bonding in XeO₃F₂ molecule :-

A
d_zx

B
d_yz

C
d_xy

D
d_x²–y²
Question 5
4 / -1

In which group of elements all have one 'electron' in their outer shell:-

A
Li, Na, Cs

B
Li, Cu, Ag

C
Na, Rb, Cu

D
All of these
Question 6
4 / -1

Which of the following order is incorrect :-

A
HF < HCl < HBr < HI (Acidic nature)

B
Na₂O > MgO > Al₂O₃ (Basic nature)

C
Cu⁺ > Zn⁺ > Zn > Cu (I.P. order)

D
Ar⁺ < Cl^Θ< Cl < Ar (I.P. order)

Solution

IP of Ar⁺ > Ar

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Re-Attempt Weekly Quiz Competition

Chemistry Test 59

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Chemistry Test 59

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Question 1

NO+, CO+

CN–, CO

CN–, O2+

CO, O2+

Solution

Question 2

H2 < D2 < T2

N2 < P4 < S8

Br2 < I–Cl

H2 < He

Solution

Question 3

TeCl4

SO2

SF6

XeF2

Question 4

dzx

dyz

dxy

dx2–y2

Question 5

Li, Na, Cs

Li, Cu, Ag

Na, Rb, Cu

All of these

Question 6

HF < HCl < HBr < HI (Acidic nature)

Na2O > MgO > Al2O3 (Basic nature)

Cu+ > Zn+ > Zn > Cu (I.P. order)

Ar+ < ClΘ < Cl < Ar (I.P. order)

Solution

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NO⁺, CO⁺

CN^–, CO

CN^–, O₂⁺

CO, O₂⁺

H₂ < D₂ < T₂

N₂< P₄ < S₈

Br₂ < I–Cl

H₂ < He

TeCl₄

SO₂

SF₆

XeF₂

d_zx

d_yz

d_xy

d_x²–y²

Na₂O > MgO > Al₂O₃ (Basic nature)

Cu⁺ > Zn⁺ > Zn > Cu (I.P. order)

Ar⁺ < Cl^Θ< Cl < Ar (I.P. order)