8 RBTS PAPER(CHEMISTRY)
« Previous Topic: 8 RBTS PAPER(PHYSICS) Next Topic: 8 RBTS PAPER(BIOLOGY - I) »
8 RBTS PAPER

164445 The \(\mathrm{N}, \mathrm{N}\) and \(\mathrm{N}, \mathrm{O}\) bond order in \(\mathrm{N}_2 \mathrm{O}\), respectively will be :

1 3,1
2 \(2.5,1.5\)
3 3,2
4 \(1.5,0.5\)
NCERT-XI-173
8 RBTS PAPER

164446 The correct order of stability in decreasing manner:

1 \(\mathrm{AlF}_6^{-3}>\mathrm{AlCl}_6^{-3}>\mathrm{AlBr}_6^{-3}>\mathrm{AlI}_6^{-3}\)
2 \(\mathrm{AlF}_6^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlI}_6^{-3}<\mathrm{AlBr}_6^{-3}\)
3 \(\mathrm{AlF}_6{ }^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlBr}_6{ }^{-3}<\mathrm{AlI}_6^{-3}\)
4 \(\mathrm{AlI}_6^{-3}<\mathrm{AlBr}_6^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlF}_6^{-3}\)
NCERT-XI-311
8 RBTS PAPER

164447 In earth crust \(\mathrm{Al}\) is :

1 3rd most abundant metal
2 2nd most abundant metal
3 2nd most abundant element
4 None of these
NCERT-XI-309
8 RBTS PAPER

164448 Consider the following statements for diborane:

1 Boron is \(\mathrm{sp}^3\)-hybridised
2 There are four terminal B-H bonds present in the molecular plane
3 There are two \((3 \mathrm{C}-2 \mathrm{e})\) bonds present above and below the molecular plane.
4 All of these
NCERT-XI-313
8 RBTS PAPER

164449 White lead used as pigment is :

1 \(\mathrm{Pb}_3 \mathrm{O}_4\)
2 \(\mathrm{PbO}_2 \cdot \mathrm{PbO}\)
3 \(\mathrm{PbCO}_3\)
4 \(2 \mathrm{PbCO}_3 \cdot \mathrm{Pb}(\mathrm{OH})_2\)
SECTION - B
Mod. NCERT
NEET DIGITAL LIBRARY
8 RBTS PAPER

164445 The \(\mathrm{N}, \mathrm{N}\) and \(\mathrm{N}, \mathrm{O}\) bond order in \(\mathrm{N}_2 \mathrm{O}\), respectively will be :

1 3,1
2 \(2.5,1.5\)
3 3,2
4 \(1.5,0.5\)
NCERT-XI-173
8 RBTS PAPER

164446 The correct order of stability in decreasing manner:

1 \(\mathrm{AlF}_6^{-3}>\mathrm{AlCl}_6^{-3}>\mathrm{AlBr}_6^{-3}>\mathrm{AlI}_6^{-3}\)
2 \(\mathrm{AlF}_6^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlI}_6^{-3}<\mathrm{AlBr}_6^{-3}\)
3 \(\mathrm{AlF}_6{ }^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlBr}_6{ }^{-3}<\mathrm{AlI}_6^{-3}\)
4 \(\mathrm{AlI}_6^{-3}<\mathrm{AlBr}_6^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlF}_6^{-3}\)
NCERT-XI-311
8 RBTS PAPER

164447 In earth crust \(\mathrm{Al}\) is :

1 3rd most abundant metal
2 2nd most abundant metal
3 2nd most abundant element
4 None of these
NCERT-XI-309
8 RBTS PAPER

164448 Consider the following statements for diborane:

1 Boron is \(\mathrm{sp}^3\)-hybridised
2 There are four terminal B-H bonds present in the molecular plane
3 There are two \((3 \mathrm{C}-2 \mathrm{e})\) bonds present above and below the molecular plane.
4 All of these
NCERT-XI-313
8 RBTS PAPER

164449 White lead used as pigment is :

1 \(\mathrm{Pb}_3 \mathrm{O}_4\)
2 \(\mathrm{PbO}_2 \cdot \mathrm{PbO}\)
3 \(\mathrm{PbCO}_3\)
4 \(2 \mathrm{PbCO}_3 \cdot \mathrm{Pb}(\mathrm{OH})_2\)
SECTION - B
Mod. NCERT
Join With Us for More Updates
8 RBTS PAPER

164445 The \(\mathrm{N}, \mathrm{N}\) and \(\mathrm{N}, \mathrm{O}\) bond order in \(\mathrm{N}_2 \mathrm{O}\), respectively will be :

1 3,1
2 \(2.5,1.5\)
3 3,2
4 \(1.5,0.5\)
NCERT-XI-173
8 RBTS PAPER

164446 The correct order of stability in decreasing manner:

1 \(\mathrm{AlF}_6^{-3}>\mathrm{AlCl}_6^{-3}>\mathrm{AlBr}_6^{-3}>\mathrm{AlI}_6^{-3}\)
2 \(\mathrm{AlF}_6^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlI}_6^{-3}<\mathrm{AlBr}_6^{-3}\)
3 \(\mathrm{AlF}_6{ }^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlBr}_6{ }^{-3}<\mathrm{AlI}_6^{-3}\)
4 \(\mathrm{AlI}_6^{-3}<\mathrm{AlBr}_6^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlF}_6^{-3}\)
NCERT-XI-311
8 RBTS PAPER

164447 In earth crust \(\mathrm{Al}\) is :

1 3rd most abundant metal
2 2nd most abundant metal
3 2nd most abundant element
4 None of these
NCERT-XI-309
8 RBTS PAPER

164448 Consider the following statements for diborane:

1 Boron is \(\mathrm{sp}^3\)-hybridised
2 There are four terminal B-H bonds present in the molecular plane
3 There are two \((3 \mathrm{C}-2 \mathrm{e})\) bonds present above and below the molecular plane.
4 All of these
NCERT-XI-313
8 RBTS PAPER

164449 White lead used as pigment is :

1 \(\mathrm{Pb}_3 \mathrm{O}_4\)
2 \(\mathrm{PbO}_2 \cdot \mathrm{PbO}\)
3 \(\mathrm{PbCO}_3\)
4 \(2 \mathrm{PbCO}_3 \cdot \mathrm{Pb}(\mathrm{OH})_2\)
SECTION - B
Mod. NCERT
For More Updates join with Us
8 RBTS PAPER

164445 The \(\mathrm{N}, \mathrm{N}\) and \(\mathrm{N}, \mathrm{O}\) bond order in \(\mathrm{N}_2 \mathrm{O}\), respectively will be :

1 3,1
2 \(2.5,1.5\)
3 3,2
4 \(1.5,0.5\)
NCERT-XI-173
8 RBTS PAPER

164446 The correct order of stability in decreasing manner:

1 \(\mathrm{AlF}_6^{-3}>\mathrm{AlCl}_6^{-3}>\mathrm{AlBr}_6^{-3}>\mathrm{AlI}_6^{-3}\)
2 \(\mathrm{AlF}_6^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlI}_6^{-3}<\mathrm{AlBr}_6^{-3}\)
3 \(\mathrm{AlF}_6{ }^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlBr}_6{ }^{-3}<\mathrm{AlI}_6^{-3}\)
4 \(\mathrm{AlI}_6^{-3}<\mathrm{AlBr}_6^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlF}_6^{-3}\)
NCERT-XI-311
8 RBTS PAPER

164447 In earth crust \(\mathrm{Al}\) is :

1 3rd most abundant metal
2 2nd most abundant metal
3 2nd most abundant element
4 None of these
NCERT-XI-309
8 RBTS PAPER

164448 Consider the following statements for diborane:

1 Boron is \(\mathrm{sp}^3\)-hybridised
2 There are four terminal B-H bonds present in the molecular plane
3 There are two \((3 \mathrm{C}-2 \mathrm{e})\) bonds present above and below the molecular plane.
4 All of these
NCERT-XI-313
8 RBTS PAPER

164449 White lead used as pigment is :

1 \(\mathrm{Pb}_3 \mathrm{O}_4\)
2 \(\mathrm{PbO}_2 \cdot \mathrm{PbO}\)
3 \(\mathrm{PbCO}_3\)
4 \(2 \mathrm{PbCO}_3 \cdot \mathrm{Pb}(\mathrm{OH})_2\)
SECTION - B
Mod. NCERT
NEET DIGITAL LIBRARY
8 RBTS PAPER

164445 The \(\mathrm{N}, \mathrm{N}\) and \(\mathrm{N}, \mathrm{O}\) bond order in \(\mathrm{N}_2 \mathrm{O}\), respectively will be :

1 3,1
2 \(2.5,1.5\)
3 3,2
4 \(1.5,0.5\)
NCERT-XI-173
8 RBTS PAPER

164446 The correct order of stability in decreasing manner:

1 \(\mathrm{AlF}_6^{-3}>\mathrm{AlCl}_6^{-3}>\mathrm{AlBr}_6^{-3}>\mathrm{AlI}_6^{-3}\)
2 \(\mathrm{AlF}_6^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlI}_6^{-3}<\mathrm{AlBr}_6^{-3}\)
3 \(\mathrm{AlF}_6{ }^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlBr}_6{ }^{-3}<\mathrm{AlI}_6^{-3}\)
4 \(\mathrm{AlI}_6^{-3}<\mathrm{AlBr}_6^{-3}<\mathrm{AlCl}_6^{-3}<\mathrm{AlF}_6^{-3}\)
NCERT-XI-311
8 RBTS PAPER

164447 In earth crust \(\mathrm{Al}\) is :

1 3rd most abundant metal
2 2nd most abundant metal
3 2nd most abundant element
4 None of these
NCERT-XI-309
8 RBTS PAPER

164448 Consider the following statements for diborane:

1 Boron is \(\mathrm{sp}^3\)-hybridised
2 There are four terminal B-H bonds present in the molecular plane
3 There are two \((3 \mathrm{C}-2 \mathrm{e})\) bonds present above and below the molecular plane.
4 All of these
NCERT-XI-313
8 RBTS PAPER

164449 White lead used as pigment is :

1 \(\mathrm{Pb}_3 \mathrm{O}_4\)
2 \(\mathrm{PbO}_2 \cdot \mathrm{PbO}\)
3 \(\mathrm{PbCO}_3\)
4 \(2 \mathrm{PbCO}_3 \cdot \mathrm{Pb}(\mathrm{OH})_2\)
SECTION - B
Mod. NCERT