Chemistry Test 63

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Chemistry Test 63

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Weekly Quiz Competition

Question 1
4 / -1

NH₃ gas is liquified more easily than N₂ thereby:-

A
Vander Waals constants a and b of NH₃ is higher than that of N₂

B
Vander Waals constant a and b of NH₃ is less than that of N₂

C
a of NH₃ > a of N₂, but b of NH₃ < b of N₂

D
a of NH₃ < a of N₂, b of NH₃ > b of N₂
Question 2
4 / -1

If compressibility factor is greater then unity then:-

A
V_m = 22.4 L (at NTP)

B
V_m > 22.4 L (at NTP)

C
V_m < 22.4 L (at NTP)

D
V_m = 11.2 L (at NTP)
Question 3
4 / -1

The oxidation number of phosphorus in Ba(H₂PO₂)₂ is :-

A
+3

B
+2

C
+1

D
-1
Question 4
4 / -1

In alkaline medium ClO₂ oxidises H₂O₂ to O₂ and it self gets reduces to Cl^–1. How many moles of H₂O₂ are oxidised by 1 mol of ClO₂ ?

A
1.5

B
1

C
2.5

D
3.5
Question 5
4 / -1

During estimation of oxalic acid Vs KMnO₄, self indicator is :

A
KMnO₄

B
oxalic acid

C
K₂SO₄

D
MnSO₄
Question 6
4 / -1

In the extraction of copper, metal is formed in the Bessemer converter due to reaction :

A
Cu₂S + 2Cu₂O → 6Cu + SO₂

B
Cu₂S → 2Cu + S

C
Fe + Cu₂O → 2Cu + FeO

D
2Cu₂O → 4Cu + O₂
Question 7
4 / -1

Directions For Questions

Which one of the following pairs of isomers and types of isomerism are correctly matched ?

(i) [Co(NH₃)₅(NO₂)]Cl₂ and [Co(NH₃)₅(ONO)]Cl₂...(Linkage)

(ii) [Cu(NH₃)₄][PtCl₄] and [Pt(NH₃)₄][CuCl₄]...(Coordination)

(iii) [PtCl₂(NH₃)₄]Br₂ and [PtBr₂(NH₃)₄]Cl₂...(Ionization)

...view full instructions

Select the correct answer using the codes given below :

A
(ii) and (iii)

B
(i), (ii) and (iii)

C
(i) and (iii)

D
(i) and (ii)
Question 8
4 / -1

Complexes formed in the following methods are :

(I) Mond's process for purification of nickel

(II) Removal of unreacted AgBr from photographic plate

(III) Removal of lead poisoning from the body

A
I-Ni(CO)₄, II-[Ag(CN)₂]^–, III-[Pb(EDTA)]^2–

B
I-Ni(CO)₄, II-[Ag(S₂O₃)₂]^3–, III-[Pb(EDTA)]^2–

C
I-Ni(CO)₆, II-[Ag(S₂O₃)₂]^3–, III-[Pb(EDTA)]^4–

D
I-Ni(CO)₆, II-[Ag(S₂O₃)]^–, III-[Pb(EDTA)]^2–

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Chemistry Test 63

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Question 1

Vander Waals constants a and b of NH3 is higher than that of N2

Vander Waals constant a and b of NH3 is less than that of N2

a of NH3 > a of N2, but b of NH3 < b of N2

a of NH3 < a of N2, b of NH3 > b of N2

Question 2

Vm = 22.4 L (at NTP)

Vm > 22.4 L (at NTP)

Vm < 22.4 L (at NTP)

Vm = 11.2 L (at NTP)

Question 3

+3

+2

+1

-1

Question 4

1.5

1

2.5

3.5

Question 5

KMnO4

oxalic acid

K2SO4

MnSO4

Question 6

Cu2S + 2Cu2O → 6Cu + SO2

Cu2S → 2Cu + S

Fe + Cu2O → 2Cu + FeO

2Cu2O → 4Cu + O2

Question 7

(ii) and (iii)

(i), (ii) and (iii)

(i) and (iii)

(i) and (ii)

Question 8

I-Ni(CO)4, II-[Ag(CN)2]–, III-[Pb(EDTA)]2–

I-Ni(CO)4, II-[Ag(S2O3)2]3–, III-[Pb(EDTA)]2–

I-Ni(CO)6, II-[Ag(S2O3)2]3–, III-[Pb(EDTA)]4–

I-Ni(CO)6, II-[Ag(S2O3)]–, III-[Pb(EDTA)]2–

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Vander Waals constants a and b of NH₃ is higher than that of N₂

Vander Waals constant a and b of NH₃ is less than that of N₂

a of NH₃ > a of N₂, but b of NH₃ < b of N₂

a of NH₃ < a of N₂, b of NH₃ > b of N₂

V_m = 22.4 L (at NTP)

V_m > 22.4 L (at NTP)

V_m < 22.4 L (at NTP)

V_m = 11.2 L (at NTP)

KMnO₄

K₂SO₄

MnSO₄

Cu₂S + 2Cu₂O → 6Cu + SO₂

Cu₂S → 2Cu + S

Fe + Cu₂O → 2Cu + FeO

2Cu₂O → 4Cu + O₂

I-Ni(CO)₄, II-[Ag(CN)₂]^–, III-[Pb(EDTA)]^2–

I-Ni(CO)₄, II-[Ag(S₂O₃)₂]^3–, III-[Pb(EDTA)]^2–

I-Ni(CO)₆, II-[Ag(S₂O₃)₂]^3–, III-[Pb(EDTA)]^4–

I-Ni(CO)₆, II-[Ag(S₂O₃)]^–, III-[Pb(EDTA)]^2–