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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion: Dissolution of sugar in water proceeds via an increase in entropy.
Reason: Entropy decreases, when an egg is boiled hard.
1. Both assertion & reason are true and the reason is the correct explanation of the assertion.
2. Both assertion & reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is a true statement but reason is false.
4. Both assertion and reason are false statements.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion: A liquid crystallises into a solid and is accompanied by a decrease in entropy.
Reason: In crystals, molecules organise in an ordered manner.
1. Both assertion and reason are true and the reason is the correct explanation of assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of assertion.
3. Assertion is true but the reason is false.
4. Assertion is false but the reason is true.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion: Spontaneous process is an irreversible process and may be reversed by some external agency.
Reason: A decrease in enthalpy is a contributing factor to spontaneity.
1. Both assertion and reason are true and the reason is the correct explanation of assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of assertion.
3. Assertion is true but the reason is false.
4. Assertion is false but the reason is true.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(i) When liquid crystallizes into a solid, entropy increases
(ii) When the temperature of a crystalline solid is raised from 0 K to 115 K then entropy increases
; Entropy increases
; Entropy decreases
1. (i), (iv)
2. (ii), (iv)
3. (iii), (iv)
4. (i), (iii)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn enthalpy diagram for a particular reaction is given below:
The correct statement among the following is-
1. Reaction is spontaneous
2. Reaction is non-spontaneous
3. Cannot predict spontaneity of the reaction from the graph given above
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following:
A. Entropy of vaporization |
1. Decreases |
B. K for a spontaneous process |
2. Is always positive |
C. Crystalline solid state |
3. Lowest entropy |
D. in an adiabatic expansion of ideal gas |
4. |
Codes
A B C D
1. 2, 4 2 3 1
2. 1 2 3 4
3. 1 4, 3 3 2
4. 4 3 3, 1 2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following parameters with a description for spontaneity.
\(\Delta\) (Parameters) \(\Delta r\ H^⊝\) \(\Delta r\ S^⊝\)\(\Delta r\ G^⊝\) | Description |
A. + - + | 1. Non-spontaneous at high temperature |
B. - - + at high T | 2. Spontaneous at all temperatures |
C. - + - | 3. Non-spontaneous at all temperatures |
Codes
A | B | C | |
1. | 3 | 1 | 2 |
2. | 1 | 2 | 3 |
3. | 1 | 3 | 2 |
4. | 3 | 2 | 1 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following process with entropy change
Reaction | Entropy change |
A. A liquid vaporizes | 1. |
B. Reaction is non-spontaneous at all temperatures and is positive | 2. |
C. Reversible expansion of an ideal gas | 3. |
Codes
A | B | C | |
1. | 2 | 3 | 1 |
2. | 1 | 2 | 3 |
3. | 1 | 3 | 2 |
4. | 3 | 2 | 1 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology