Statement 1: | The standard electrode potential of the system Mg2+ | Mg can be measured with respect to hydrogen electrode. |
Statement 2: | The standard electrode potential for hydrogen electrode is zero. |
1. | Statement 1 is true, Statement 2 is false. |
2. | Statement 1 is false, Statement 1 is true. |
3. | Both Statements 1 and Statement 2 are true. |
4. | Both Statements 1 and Statement 2 are false. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | Copper sulphate solutions can be store in a zinc pot. |
Reason (R): | Zinc is more reactive than copper. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | (A) is false but (R) is true. |
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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 & BiologyThe potential of hydrogen electrode in contact with a solution with pH =10, is:
1. | −0.0591 V | 2. | −5.91 V |
3. | 0.0591 V | 4. | −0.591 V |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe emf of the cell in which the following reaction takes place is:
Ni(s)+2Ag+(0.002 M) →Ni2+(0.160 M) + 2Ag(s)
( Given that \(E_{cell}^{o}\)= 1.05 V)
1. Ecell= 9.14 V
2. Ecell= 0.0914 V
3. Ecell= 0.00914 V
4. Ecell= 0.914 V
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe cell in which the following reactions occurs:
2Fe3+(aq)+2I-(aq)→2Fe2+(aq)+I2(s) has \(E_{cell}^{o}\)= 0.236 V at 298 K.
The standard Gibbs energy of the cell reaction is -
1. 41.14 kJ mol−1
2. 45.54 kJ mol−1
3. −49.94 kJ mol−1
4. −45.54 kJ mol−1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | The conductivity of a solution decreases with dilution. |
Reason (R): | Conductivity of a solution depends on the number of ions and the number of ions decreases when the solution is diluted. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe molar conductivity of 0.025 mol L−1 methanoic acid is 46.1 S cm2 mol−1.
The dissociation constant of methanoic acid is-
Given λ°(H+)= 349.6 S cm2 mol−1 and λ°(HCOO−) = 54.6 S cm2 mol
1. \(1.27×10^{-4}mol ~L^{−1}\)
2. \(5.17×10^{-5}mol ~L^{−1}\)
3. \(3.67×10^{-4}mol ~L^{−1}\)
4. \(4.87×10^{-5}mol ~L^{−1}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of electrons flow through the wire when a current of 0.5 ampere flows through a metallic wire for 2 hours, is-
1. \(6.25×10^{22}\)
2. \(2.25×10^{22}\)
3 \(8.25×10^{22}\)
4. \(4.25×10^{22}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe metals among the following that can be extracted electrolytically is -
1. | K | 2. | Na |
3. | Al | 4. | All of the above |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology