Chemistry Test 122

Question 1
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Order of enolic content

A
Q > R > S > P

B
P > R > S > Q

C
P > S > R > Q

D
S > R > P > Q

Question 2
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During an experiment an ideal gas is found to obey an additional law VP² = constant. The initial volume and temperature of gas are V and T respectively. The temperature of gas when it expands to a volume 2V is :

A

B

C
2T

D
T

Question 3

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A sample of raw material contain NaNO₃ also contains NaIO₃. The NaIO₃ can be used as a source of iodine, produced in the following reactions :
IO₃^– + HSO₃^– → I^– + SO₄^2– ..... (1)
I^– + IO₃^– → I₂ + H₂O ..... (2)
One litre of sample solution containing 396 g of NaIO₃ is treated with stoichiometric quantity of NaHSO₃. Now a substantial amount of same solution is added to reaction mixture to bring about the reaction

	Column-I		Column-II
A	n-factor of IO₃^– in reaction (2)	1	6
B	Number of moles of HSO₃^– used in reaction (1)	2	1.2
C	Moles of I₂ produced	3	2
D	Equivalents of IO₃^– used in reaction (2)	4	5

A–3 B–4 C–1 D–2

A–2 B–1 C–3 D–4

A–1 B–2 C–4 D–3

A–4 B–1 C–2 D–3

Question 4
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X gm of metal gave 'Y' gm of its oxide so equivalent mass of metal is :

A

B

C

D

Question 5
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At what temperature will be the molar kinetic energy of 0.3 mole of He will be the same as molar kinetic energy of 0.4 mol of Argon gas at 400K

A
800 K

B
533 K

C
600 K

D
400 K

Question 6
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Which of following has/have “Z” configuration :

A

B

C

D
All are correct

Question 7
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Which of the following statement is/are correct :

A
Chair form of cyclohexane is more stable than boat form

B
Gauche form of 2-Fluoroethanol is mroe stable than anti form

C
Next homologue of acetone gives two oximes when react with H₂N–OH

D
All are correct

Question 8
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Select correct statements at equilibrium

A
On adding the inert gas at constant pressure concentration of C(g) decreases

B
On adding the inert gas at constant volume concentration of C(g) increases

C
On adding C(g) concentration of B(s) remain unchanged

D
option 1 and option 3 are correct

Question 9
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Which statement is/are correct for postulates of kinetics theory of gases

A
Gases are composed of molecules whose size is negligible compared with the average distance between them

B
Molecules moves randomly in straight lines in all directions and at various speeds.

C
The average kinetic energy of a molecule is proportional to the absolute temperature.

D
All are correct

Question 10

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	Column-I		Column-II		Column-III
(A)	C₃H₁₀	(P)	Total number of open chain structure isomer is 8	(W)	Can show geometrical isomer in acyclic structure only
(B)	C₄H₆	(Q)	Total number of cyclic structural isomer is 5	(X)	Can show geometrical isomer in cyclic structure only
(C)	C₄H₄Cl	(R)	Total number of closed chain structural isomer is 4	(Y)	Can show geometrical isomer in both cyclic and acyclic structure
(D)	C₄H₁₁N	(S)	Total number of closed chain structural isomer is 4	(Z)	Cannot show geometrical isomer