11. THE P-BLOCK ELEMENTS
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11. THE P-BLOCK ELEMENTS

189626 Which metal burn in air at high temperature with the evolution of much heat

1 \(Cu\)
2 \(Hg\)
3 \(Pb\)
4 \(Al\)
11. THE P-BLOCK ELEMENTS

189627 Aluminium hydroxide is soluble in excess of sodium hydroxide forming the ion

1 \(Al{{(O)}_{2}}^{+3}\)
2 \(AlO_2^{ - 3}\)
3 \(AlO_2^ -\)
4 \(AlO_3^ -\)
11. THE P-BLOCK ELEMENTS

189628 Boron form covalent compound due to

1 Higher ionization energy
2 Lower ionization energy
3 Small size
4 Both \((a)\) and \((c)\)
11. THE P-BLOCK ELEMENTS

189629 In diborane, the two \(H - B - H\) angles are nearly

1 \(60^°\), \(120^°\)
2 \(95^°\), \(120^°\)
3 \(95^°\), \(150^°\)
4 \(120^°\), \(180^°\)
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11. THE P-BLOCK ELEMENTS

189626 Which metal burn in air at high temperature with the evolution of much heat

1 \(Cu\)
2 \(Hg\)
3 \(Pb\)
4 \(Al\)
11. THE P-BLOCK ELEMENTS

189627 Aluminium hydroxide is soluble in excess of sodium hydroxide forming the ion

1 \(Al{{(O)}_{2}}^{+3}\)
2 \(AlO_2^{ - 3}\)
3 \(AlO_2^ -\)
4 \(AlO_3^ -\)
11. THE P-BLOCK ELEMENTS

189628 Boron form covalent compound due to

1 Higher ionization energy
2 Lower ionization energy
3 Small size
4 Both \((a)\) and \((c)\)
11. THE P-BLOCK ELEMENTS

189629 In diborane, the two \(H - B - H\) angles are nearly

1 \(60^°\), \(120^°\)
2 \(95^°\), \(120^°\)
3 \(95^°\), \(150^°\)
4 \(120^°\), \(180^°\)
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11. THE P-BLOCK ELEMENTS

189626 Which metal burn in air at high temperature with the evolution of much heat

1 \(Cu\)
2 \(Hg\)
3 \(Pb\)
4 \(Al\)
11. THE P-BLOCK ELEMENTS

189627 Aluminium hydroxide is soluble in excess of sodium hydroxide forming the ion

1 \(Al{{(O)}_{2}}^{+3}\)
2 \(AlO_2^{ - 3}\)
3 \(AlO_2^ -\)
4 \(AlO_3^ -\)
11. THE P-BLOCK ELEMENTS

189628 Boron form covalent compound due to

1 Higher ionization energy
2 Lower ionization energy
3 Small size
4 Both \((a)\) and \((c)\)
11. THE P-BLOCK ELEMENTS

189629 In diborane, the two \(H - B - H\) angles are nearly

1 \(60^°\), \(120^°\)
2 \(95^°\), \(120^°\)
3 \(95^°\), \(150^°\)
4 \(120^°\), \(180^°\)
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11. THE P-BLOCK ELEMENTS

189626 Which metal burn in air at high temperature with the evolution of much heat

1 \(Cu\)
2 \(Hg\)
3 \(Pb\)
4 \(Al\)
11. THE P-BLOCK ELEMENTS

189627 Aluminium hydroxide is soluble in excess of sodium hydroxide forming the ion

1 \(Al{{(O)}_{2}}^{+3}\)
2 \(AlO_2^{ - 3}\)
3 \(AlO_2^ -\)
4 \(AlO_3^ -\)
11. THE P-BLOCK ELEMENTS

189628 Boron form covalent compound due to

1 Higher ionization energy
2 Lower ionization energy
3 Small size
4 Both \((a)\) and \((c)\)
11. THE P-BLOCK ELEMENTS

189629 In diborane, the two \(H - B - H\) angles are nearly

1 \(60^°\), \(120^°\)
2 \(95^°\), \(120^°\)
3 \(95^°\), \(150^°\)
4 \(120^°\), \(180^°\)