315235
Which pair possess nitrogen atoms in only \({\rm{ - 2}}\) oxidation state?
1 \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{2}}\) and \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{3}}\)
2 \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{2}}\) and \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\)
3 \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\) and \(\mathrm{\mathrm{NH}_{2} \mathrm{OH}}\)
4 \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\) and \(\mathrm{\left(\mathrm{N}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{SO}_{4}}\)
Explanation:
\(\mathrm{\mathrm{N}_{2} \mathrm{H}_{4}}\) and \(\mathrm{\left(\mathrm{N}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{SO}_{4}}\) both have \(\mathrm{\mathrm{N}}\) in \({\rm{ - 2}}\) oxidation state.
CHXI08:REDOX REACTIONS
315236
Oxidation number of \(\mathrm{\mathrm{S}}\) in \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{5}}\) is 6 . This is observed, because
1 There are five oxygen atoms in the molecule
2 The hydrogen atom is directly linked with non-metal
3 There is peroxide linkage in the molecule
4 The sulphur atom shows co-ordinate linkage
Explanation:
Conceptual Questions
CHXI08:REDOX REACTIONS
315237
Assertion : Oxidation state of hydrogen is \( + 1\) in \(\mathrm{H}_{2} \mathrm{O}\) while \( - 1\) in \(\mathrm{CaH}_{2}\). Reason : \(\mathrm{CaH}_{2}\) is a metal hydride and for hydrides, hydrogen is assigned the oxidation number of \( - 1\) .
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Assigning oxidation numbers to elements in compounds or ions follows specific rules, like hydrogen generally having an oxidation number of \((+ 1)\) but \((- 1)\) in metal hydrides. So the option (1) is correct.
CHXI08:REDOX REACTIONS
315238
Amongst the following, identically the species with an atom in +6 oxidation state:
315235
Which pair possess nitrogen atoms in only \({\rm{ - 2}}\) oxidation state?
1 \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{2}}\) and \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{3}}\)
2 \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{2}}\) and \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\)
3 \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\) and \(\mathrm{\mathrm{NH}_{2} \mathrm{OH}}\)
4 \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\) and \(\mathrm{\left(\mathrm{N}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{SO}_{4}}\)
Explanation:
\(\mathrm{\mathrm{N}_{2} \mathrm{H}_{4}}\) and \(\mathrm{\left(\mathrm{N}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{SO}_{4}}\) both have \(\mathrm{\mathrm{N}}\) in \({\rm{ - 2}}\) oxidation state.
CHXI08:REDOX REACTIONS
315236
Oxidation number of \(\mathrm{\mathrm{S}}\) in \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{5}}\) is 6 . This is observed, because
1 There are five oxygen atoms in the molecule
2 The hydrogen atom is directly linked with non-metal
3 There is peroxide linkage in the molecule
4 The sulphur atom shows co-ordinate linkage
Explanation:
Conceptual Questions
CHXI08:REDOX REACTIONS
315237
Assertion : Oxidation state of hydrogen is \( + 1\) in \(\mathrm{H}_{2} \mathrm{O}\) while \( - 1\) in \(\mathrm{CaH}_{2}\). Reason : \(\mathrm{CaH}_{2}\) is a metal hydride and for hydrides, hydrogen is assigned the oxidation number of \( - 1\) .
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Assigning oxidation numbers to elements in compounds or ions follows specific rules, like hydrogen generally having an oxidation number of \((+ 1)\) but \((- 1)\) in metal hydrides. So the option (1) is correct.
CHXI08:REDOX REACTIONS
315238
Amongst the following, identically the species with an atom in +6 oxidation state:
315235
Which pair possess nitrogen atoms in only \({\rm{ - 2}}\) oxidation state?
1 \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{2}}\) and \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{3}}\)
2 \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{2}}\) and \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\)
3 \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\) and \(\mathrm{\mathrm{NH}_{2} \mathrm{OH}}\)
4 \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\) and \(\mathrm{\left(\mathrm{N}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{SO}_{4}}\)
Explanation:
\(\mathrm{\mathrm{N}_{2} \mathrm{H}_{4}}\) and \(\mathrm{\left(\mathrm{N}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{SO}_{4}}\) both have \(\mathrm{\mathrm{N}}\) in \({\rm{ - 2}}\) oxidation state.
CHXI08:REDOX REACTIONS
315236
Oxidation number of \(\mathrm{\mathrm{S}}\) in \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{5}}\) is 6 . This is observed, because
1 There are five oxygen atoms in the molecule
2 The hydrogen atom is directly linked with non-metal
3 There is peroxide linkage in the molecule
4 The sulphur atom shows co-ordinate linkage
Explanation:
Conceptual Questions
CHXI08:REDOX REACTIONS
315237
Assertion : Oxidation state of hydrogen is \( + 1\) in \(\mathrm{H}_{2} \mathrm{O}\) while \( - 1\) in \(\mathrm{CaH}_{2}\). Reason : \(\mathrm{CaH}_{2}\) is a metal hydride and for hydrides, hydrogen is assigned the oxidation number of \( - 1\) .
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Assigning oxidation numbers to elements in compounds or ions follows specific rules, like hydrogen generally having an oxidation number of \((+ 1)\) but \((- 1)\) in metal hydrides. So the option (1) is correct.
CHXI08:REDOX REACTIONS
315238
Amongst the following, identically the species with an atom in +6 oxidation state:
315235
Which pair possess nitrogen atoms in only \({\rm{ - 2}}\) oxidation state?
1 \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{2}}\) and \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{3}}\)
2 \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{2}}\) and \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\)
3 \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\) and \(\mathrm{\mathrm{NH}_{2} \mathrm{OH}}\)
4 \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\) and \(\mathrm{\left(\mathrm{N}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{SO}_{4}}\)
Explanation:
\(\mathrm{\mathrm{N}_{2} \mathrm{H}_{4}}\) and \(\mathrm{\left(\mathrm{N}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{SO}_{4}}\) both have \(\mathrm{\mathrm{N}}\) in \({\rm{ - 2}}\) oxidation state.
CHXI08:REDOX REACTIONS
315236
Oxidation number of \(\mathrm{\mathrm{S}}\) in \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{5}}\) is 6 . This is observed, because
1 There are five oxygen atoms in the molecule
2 The hydrogen atom is directly linked with non-metal
3 There is peroxide linkage in the molecule
4 The sulphur atom shows co-ordinate linkage
Explanation:
Conceptual Questions
CHXI08:REDOX REACTIONS
315237
Assertion : Oxidation state of hydrogen is \( + 1\) in \(\mathrm{H}_{2} \mathrm{O}\) while \( - 1\) in \(\mathrm{CaH}_{2}\). Reason : \(\mathrm{CaH}_{2}\) is a metal hydride and for hydrides, hydrogen is assigned the oxidation number of \( - 1\) .
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Assigning oxidation numbers to elements in compounds or ions follows specific rules, like hydrogen generally having an oxidation number of \((+ 1)\) but \((- 1)\) in metal hydrides. So the option (1) is correct.
CHXI08:REDOX REACTIONS
315238
Amongst the following, identically the species with an atom in +6 oxidation state:
315235
Which pair possess nitrogen atoms in only \({\rm{ - 2}}\) oxidation state?
1 \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{2}}\) and \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{3}}\)
2 \(\mathrm{\mathrm{NH}_{4} \mathrm{NO}_{2}}\) and \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\)
3 \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\) and \(\mathrm{\mathrm{NH}_{2} \mathrm{OH}}\)
4 \(\mathrm{\mathrm{NH}_{2} \mathrm{NH}_{2}}\) and \(\mathrm{\left(\mathrm{N}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{SO}_{4}}\)
Explanation:
\(\mathrm{\mathrm{N}_{2} \mathrm{H}_{4}}\) and \(\mathrm{\left(\mathrm{N}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{SO}_{4}}\) both have \(\mathrm{\mathrm{N}}\) in \({\rm{ - 2}}\) oxidation state.
CHXI08:REDOX REACTIONS
315236
Oxidation number of \(\mathrm{\mathrm{S}}\) in \(\mathrm{\mathrm{H}_{2} \mathrm{SO}_{5}}\) is 6 . This is observed, because
1 There are five oxygen atoms in the molecule
2 The hydrogen atom is directly linked with non-metal
3 There is peroxide linkage in the molecule
4 The sulphur atom shows co-ordinate linkage
Explanation:
Conceptual Questions
CHXI08:REDOX REACTIONS
315237
Assertion : Oxidation state of hydrogen is \( + 1\) in \(\mathrm{H}_{2} \mathrm{O}\) while \( - 1\) in \(\mathrm{CaH}_{2}\). Reason : \(\mathrm{CaH}_{2}\) is a metal hydride and for hydrides, hydrogen is assigned the oxidation number of \( - 1\) .
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
Explanation:
Assigning oxidation numbers to elements in compounds or ions follows specific rules, like hydrogen generally having an oxidation number of \((+ 1)\) but \((- 1)\) in metal hydrides. So the option (1) is correct.
CHXI08:REDOX REACTIONS
315238
Amongst the following, identically the species with an atom in +6 oxidation state:
