6 RBTS PAPER(CHEMISTRY)
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6 RBTS PAPER

163217 Oxidation Number of each bromine in tribromo octa oxide is respectively: [RBQ]

1 \(+3,0,+6\)
2 \(+4,+6,+4\)
3 \(+3,+2,+2\)
4 \(+6,+4,+6\)
NCERT-XI-245
6 RBTS PAPER

163218 Which of the following statement is correct :
i. Addition of electronegative element is oxidation.
ii. Addition of electropositive element is oxidation
iii. Addition of \(\mathrm{Hg}\) to mercuric chloride and chloride to \(\mathrm{SnCl}_2\) is a redox reaction together. [RBQ]

1 i and ii
2 i, ii and iii
3 i, iii
4 only iii
NCERT-XI-241
6 RBTS PAPER

163219 The oxidation number of \(\mathrm{S}\) in \(\mathrm{Na}_2 \mathrm{~S}_4 \mathrm{O}_6\) is : [RBQ]

1 +2
2 +2 and +3 (two \(S\) have +2 and other two have +3 ).
3 +2 and +3 (three \(S\) have +2 and one \(S\) has +3 ).
4 +5 and 0 (two \(S\) have +5 and the other two \(S\) have 0 ).
NCERT-XI-249
6 RBTS PAPER

163220 Which of the following is not a redox reaction : [RBQ]

1 \(\mathrm{CuSO}_4(\mathrm{aq})+\mathrm{Zn} \rightarrow \mathrm{Cu}(\mathrm{s})+\mathrm{ZnSO}_4(\mathrm{aq})\)
2 \(\mathrm{CaCO}_3(\mathrm{~s}) \stackrel{\Delta}{\longrightarrow} \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{~g})\)
3 \(2 \mathrm{Na}\) (s) \(+2 \mathrm{H}_2 \mathrm{O}(\mathrm{l}) \rightarrow 2 \mathrm{NaOH}(\mathrm{aq})+\mathrm{H}_2(\mathrm{~g})\)
4 \(\mathrm{Cl}_2(\mathrm{~g})+2 \mathrm{Br}^{-}(\mathrm{aq}) \rightarrow 2 \mathrm{Cl}^{-}(\mathrm{aq})+\mathrm{Br}_2(\mathrm{l})\)
NCERT-XI-237
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6 RBTS PAPER

163217 Oxidation Number of each bromine in tribromo octa oxide is respectively: [RBQ]

1 \(+3,0,+6\)
2 \(+4,+6,+4\)
3 \(+3,+2,+2\)
4 \(+6,+4,+6\)
NCERT-XI-245
6 RBTS PAPER

163218 Which of the following statement is correct :
i. Addition of electronegative element is oxidation.
ii. Addition of electropositive element is oxidation
iii. Addition of \(\mathrm{Hg}\) to mercuric chloride and chloride to \(\mathrm{SnCl}_2\) is a redox reaction together. [RBQ]

1 i and ii
2 i, ii and iii
3 i, iii
4 only iii
NCERT-XI-241
6 RBTS PAPER

163219 The oxidation number of \(\mathrm{S}\) in \(\mathrm{Na}_2 \mathrm{~S}_4 \mathrm{O}_6\) is : [RBQ]

1 +2
2 +2 and +3 (two \(S\) have +2 and other two have +3 ).
3 +2 and +3 (three \(S\) have +2 and one \(S\) has +3 ).
4 +5 and 0 (two \(S\) have +5 and the other two \(S\) have 0 ).
NCERT-XI-249
6 RBTS PAPER

163220 Which of the following is not a redox reaction : [RBQ]

1 \(\mathrm{CuSO}_4(\mathrm{aq})+\mathrm{Zn} \rightarrow \mathrm{Cu}(\mathrm{s})+\mathrm{ZnSO}_4(\mathrm{aq})\)
2 \(\mathrm{CaCO}_3(\mathrm{~s}) \stackrel{\Delta}{\longrightarrow} \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{~g})\)
3 \(2 \mathrm{Na}\) (s) \(+2 \mathrm{H}_2 \mathrm{O}(\mathrm{l}) \rightarrow 2 \mathrm{NaOH}(\mathrm{aq})+\mathrm{H}_2(\mathrm{~g})\)
4 \(\mathrm{Cl}_2(\mathrm{~g})+2 \mathrm{Br}^{-}(\mathrm{aq}) \rightarrow 2 \mathrm{Cl}^{-}(\mathrm{aq})+\mathrm{Br}_2(\mathrm{l})\)
NCERT-XI-237
NEET DIGITAL LIBRARY
6 RBTS PAPER

163217 Oxidation Number of each bromine in tribromo octa oxide is respectively: [RBQ]

1 \(+3,0,+6\)
2 \(+4,+6,+4\)
3 \(+3,+2,+2\)
4 \(+6,+4,+6\)
NCERT-XI-245
6 RBTS PAPER

163218 Which of the following statement is correct :
i. Addition of electronegative element is oxidation.
ii. Addition of electropositive element is oxidation
iii. Addition of \(\mathrm{Hg}\) to mercuric chloride and chloride to \(\mathrm{SnCl}_2\) is a redox reaction together. [RBQ]

1 i and ii
2 i, ii and iii
3 i, iii
4 only iii
NCERT-XI-241
6 RBTS PAPER

163219 The oxidation number of \(\mathrm{S}\) in \(\mathrm{Na}_2 \mathrm{~S}_4 \mathrm{O}_6\) is : [RBQ]

1 +2
2 +2 and +3 (two \(S\) have +2 and other two have +3 ).
3 +2 and +3 (three \(S\) have +2 and one \(S\) has +3 ).
4 +5 and 0 (two \(S\) have +5 and the other two \(S\) have 0 ).
NCERT-XI-249
6 RBTS PAPER

163220 Which of the following is not a redox reaction : [RBQ]

1 \(\mathrm{CuSO}_4(\mathrm{aq})+\mathrm{Zn} \rightarrow \mathrm{Cu}(\mathrm{s})+\mathrm{ZnSO}_4(\mathrm{aq})\)
2 \(\mathrm{CaCO}_3(\mathrm{~s}) \stackrel{\Delta}{\longrightarrow} \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{~g})\)
3 \(2 \mathrm{Na}\) (s) \(+2 \mathrm{H}_2 \mathrm{O}(\mathrm{l}) \rightarrow 2 \mathrm{NaOH}(\mathrm{aq})+\mathrm{H}_2(\mathrm{~g})\)
4 \(\mathrm{Cl}_2(\mathrm{~g})+2 \mathrm{Br}^{-}(\mathrm{aq}) \rightarrow 2 \mathrm{Cl}^{-}(\mathrm{aq})+\mathrm{Br}_2(\mathrm{l})\)
NCERT-XI-237
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6 RBTS PAPER

163217 Oxidation Number of each bromine in tribromo octa oxide is respectively: [RBQ]

1 \(+3,0,+6\)
2 \(+4,+6,+4\)
3 \(+3,+2,+2\)
4 \(+6,+4,+6\)
NCERT-XI-245
6 RBTS PAPER

163218 Which of the following statement is correct :
i. Addition of electronegative element is oxidation.
ii. Addition of electropositive element is oxidation
iii. Addition of \(\mathrm{Hg}\) to mercuric chloride and chloride to \(\mathrm{SnCl}_2\) is a redox reaction together. [RBQ]

1 i and ii
2 i, ii and iii
3 i, iii
4 only iii
NCERT-XI-241
6 RBTS PAPER

163219 The oxidation number of \(\mathrm{S}\) in \(\mathrm{Na}_2 \mathrm{~S}_4 \mathrm{O}_6\) is : [RBQ]

1 +2
2 +2 and +3 (two \(S\) have +2 and other two have +3 ).
3 +2 and +3 (three \(S\) have +2 and one \(S\) has +3 ).
4 +5 and 0 (two \(S\) have +5 and the other two \(S\) have 0 ).
NCERT-XI-249
6 RBTS PAPER

163220 Which of the following is not a redox reaction : [RBQ]

1 \(\mathrm{CuSO}_4(\mathrm{aq})+\mathrm{Zn} \rightarrow \mathrm{Cu}(\mathrm{s})+\mathrm{ZnSO}_4(\mathrm{aq})\)
2 \(\mathrm{CaCO}_3(\mathrm{~s}) \stackrel{\Delta}{\longrightarrow} \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{~g})\)
3 \(2 \mathrm{Na}\) (s) \(+2 \mathrm{H}_2 \mathrm{O}(\mathrm{l}) \rightarrow 2 \mathrm{NaOH}(\mathrm{aq})+\mathrm{H}_2(\mathrm{~g})\)
4 \(\mathrm{Cl}_2(\mathrm{~g})+2 \mathrm{Br}^{-}(\mathrm{aq}) \rightarrow 2 \mathrm{Cl}^{-}(\mathrm{aq})+\mathrm{Br}_2(\mathrm{l})\)
NCERT-XI-237
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