Chemistry Test 92

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Chemistry Test 92

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Weekly Quiz Competition

Question 1
4 / -1

Which of the following element has 2^nd IP < 1^st IP

A
Mg

B
Ne

C
C

D
None

Solution

Due to more Z_eff.

2^nd 1P > 1st IP.
Question 2
4 / -1

Which of following is correct :-

A
2^ndΙP of B > C

B
I^stΙP of S > P

C
2^ndΙP of Mg > P

D
I^stΙP of Al > Ga

Solution

2^ndIP of B(1s²2s²) > C(1s²2s2²p¹)

Hint :- ns > np penetration power (IP order).
Question 3
4 / -1

The successive Ionisation energies of an element (A) is given as IE₁ = 20ev IE₂ = 45ev, IE₃ = 150ev, IE₄ = 200ev, IE₅ = 1800 ev Formula of halide of (A) is :-

A
AX

B
AX₃

C
AX₄

D
AX₅

Solution

Longest jump occur after removed of 4e⁵ → So element have ue^–is outer most shell.
∴ A⁴ X¹ = AX₄
Question 4
4 / -1

Select the correct order

A
M_(g)²⁺ < M_(g)⁴⁺ (Size)

B
M_(g)⁴⁺ < M_(g)³⁺ (Ionisation energy)

C
M_(g) < M_(g)⁺ (Electron affinity)

D
M_(g)³⁺ < M_(g)²⁺ (Z/e Ratio)

Solution

EA α Z_eff. ∝ +ve charge
Question 5
4 / -1

Which of the following order of ionization energy is correct :-

A
K⁺ > Cu⁺ > Cu > K

B
Cu⁺ > K⁺ > Cu > K

C
K⁺ > Cu⁺ > K > Cu

D
Cu⁺ > K⁺ > K > Cu

Solution

K after loss of an electron attain inert gas configuration. Hence it will have maximum I.P.
Question 6
4 / -1

In the formation of a chloride ion, from an isolated gaseous chlorine atom, 3.8 eV energy is released, which would be equal to :-

A
Electron affinity of Cl^–

B
Ionisation potential of Cl

C
Electronegativity of Cl

D
Ionisation potential of Cl^–

Solution

Cl + e^1– → Cl^– + 3.8
Back ward R_xn
Cl^– + 3.8 ev = Cl + e^–
↓
IP of Cl^–
Question 7
4 / -1

Correct order of EA is :-

A
Cl > O > N > C

B
Cl > O > C > N

C
Cl > N > C > O

D
Cl > C > O > N
Question 8
4 / -1

Choose the correct order of Ionisation energy :-

A
Sc > Y < La > Ac

B
Ne⁺ > Ne > N > O

C
B > Ga > Tℓ > In

D
Na < Na²⁺ < Na⁺
Question 9
4 / -1

The process requiring absorption of energy is :-

A
F → F^–

B
H → H^–

C
Cl → Cl^–

D
O → O^2–

Solution

Addition of 2^nd el^– is always endothermic.
Question 10
4 / -1

Which of the following process is non-spontaneous ?

A

B

C

D

Solution

Due to more IP than 'O'. Nitrogen can't loose el^–

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Re-Attempt Weekly Quiz Competition

Chemistry Test 92

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Chemistry Test 92

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Question 1

Mg

Ne

C

None

Solution

Question 2

2nd ΙP of B > C

Ist ΙP of S > P

2nd ΙP of Mg > P

Ist ΙP of Al > Ga

Solution

Question 3

AX

AX3

AX4

AX5

Solution

Question 4

M(g)2+ < M(g)4+ (Size)

M(g)4+ < M(g)3+ (Ionisation energy)

M(g) < M(g)+ (Electron affinity)

M(g)3+ < M(g)2+ (Z/e Ratio)

Solution

Question 5

K+ > Cu+ > Cu > K

Cu+ > K+ > Cu > K

K+ > Cu+ > K > Cu

Cu+ > K+ > K > Cu

Solution

Question 6

Electron affinity of Cl–

Ionisation potential of Cl

Electronegativity of Cl

Ionisation potential of Cl–

Solution

Question 7

Cl > O > N > C

Cl > O > C > N

Cl > N > C > O

Cl > C > O > N

Question 8

Sc > Y < La > Ac

Ne+ > Ne > N > O

B > Ga > Tℓ > In

Na < Na2+ < Na+

Question 9

F → F–

H → H–

Cl → Cl–

O → O2–

Solution

Question 10

Solution

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2^ndΙP of B > C

I^stΙP of S > P

2^ndΙP of Mg > P

I^stΙP of Al > Ga

AX₃

AX₄

AX₅

M_(g)²⁺ < M_(g)⁴⁺ (Size)

M_(g)⁴⁺ < M_(g)³⁺ (Ionisation energy)

M_(g) < M_(g)⁺ (Electron affinity)

M_(g)³⁺ < M_(g)²⁺ (Z/e Ratio)

K⁺ > Cu⁺ > Cu > K

Cu⁺ > K⁺ > Cu > K

K⁺ > Cu⁺ > K > Cu

Cu⁺ > K⁺ > K > Cu

Electron affinity of Cl^–

Ionisation potential of Cl^–

Ne⁺ > Ne > N > O

Na < Na²⁺ < Na⁺

F → F^–

H → H^–

Cl → Cl^–

O → O^2–