Preparation and Properties of Aluminium, its Compounds and Alum
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NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316917 Lead pipes can be used safely for carrying

1 soft water
2 soft water first heated with limestone
3 conc. \(\mathrm{HNO}_{3}\)
4 soft as well as hard water
CHXI11:THE P-BLOCK ELEMENTS

316918 The lead of the lead pencils melts at

1 \(2000^{\circ} \mathrm{C}\)
2 \(350^{\circ} \mathrm{C}\)
3 \(3170^{\circ} \mathrm{C}\)
4 \(75^{\circ} \mathrm{C}\)
AIIMS - 2009
CHXI11:THE P-BLOCK ELEMENTS

316919 Which statement is correct regarding the diagonal relationship between Be and Al ?
(I) Both carbides on hydrolysis produces \(\mathrm{CH}_{4}\) gas
(II) Both Be and Al oxides are amphoteric in nature.
(III) In vapour state, chlorides of both exist as chlorobridge dimer having \((3{\rm{c}} - 4{\rm{e}})\) bonds
(IV) Both Be and Al nitrides on hydrolysis give \(\mathrm{NH}_{3}\) gas.

1 I, II are correct
2 I, III are correct
3 I, II, III, IV are correct
4 Only III is correct
CHXI11:THE P-BLOCK ELEMENTS

316920 Tin cry refers to

1 Conversion of white to grey tin
2 Tin plating
3 Conversion of white tetrahedral tin to white rhombohedral tin.
4 Emission of sound while bending a tin rod.
Join With Us for More Updates
CHXI11:THE P-BLOCK ELEMENTS

316917 Lead pipes can be used safely for carrying

1 soft water
2 soft water first heated with limestone
3 conc. \(\mathrm{HNO}_{3}\)
4 soft as well as hard water
CHXI11:THE P-BLOCK ELEMENTS

316918 The lead of the lead pencils melts at

1 \(2000^{\circ} \mathrm{C}\)
2 \(350^{\circ} \mathrm{C}\)
3 \(3170^{\circ} \mathrm{C}\)
4 \(75^{\circ} \mathrm{C}\)
AIIMS - 2009
CHXI11:THE P-BLOCK ELEMENTS

316919 Which statement is correct regarding the diagonal relationship between Be and Al ?
(I) Both carbides on hydrolysis produces \(\mathrm{CH}_{4}\) gas
(II) Both Be and Al oxides are amphoteric in nature.
(III) In vapour state, chlorides of both exist as chlorobridge dimer having \((3{\rm{c}} - 4{\rm{e}})\) bonds
(IV) Both Be and Al nitrides on hydrolysis give \(\mathrm{NH}_{3}\) gas.

1 I, II are correct
2 I, III are correct
3 I, II, III, IV are correct
4 Only III is correct
CHXI11:THE P-BLOCK ELEMENTS

316920 Tin cry refers to

1 Conversion of white to grey tin
2 Tin plating
3 Conversion of white tetrahedral tin to white rhombohedral tin.
4 Emission of sound while bending a tin rod.
For More Updates join with Us
CHXI11:THE P-BLOCK ELEMENTS

316917 Lead pipes can be used safely for carrying

1 soft water
2 soft water first heated with limestone
3 conc. \(\mathrm{HNO}_{3}\)
4 soft as well as hard water
CHXI11:THE P-BLOCK ELEMENTS

316918 The lead of the lead pencils melts at

1 \(2000^{\circ} \mathrm{C}\)
2 \(350^{\circ} \mathrm{C}\)
3 \(3170^{\circ} \mathrm{C}\)
4 \(75^{\circ} \mathrm{C}\)
AIIMS - 2009
CHXI11:THE P-BLOCK ELEMENTS

316919 Which statement is correct regarding the diagonal relationship between Be and Al ?
(I) Both carbides on hydrolysis produces \(\mathrm{CH}_{4}\) gas
(II) Both Be and Al oxides are amphoteric in nature.
(III) In vapour state, chlorides of both exist as chlorobridge dimer having \((3{\rm{c}} - 4{\rm{e}})\) bonds
(IV) Both Be and Al nitrides on hydrolysis give \(\mathrm{NH}_{3}\) gas.

1 I, II are correct
2 I, III are correct
3 I, II, III, IV are correct
4 Only III is correct
CHXI11:THE P-BLOCK ELEMENTS

316920 Tin cry refers to

1 Conversion of white to grey tin
2 Tin plating
3 Conversion of white tetrahedral tin to white rhombohedral tin.
4 Emission of sound while bending a tin rod.
NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316917 Lead pipes can be used safely for carrying

1 soft water
2 soft water first heated with limestone
3 conc. \(\mathrm{HNO}_{3}\)
4 soft as well as hard water
CHXI11:THE P-BLOCK ELEMENTS

316918 The lead of the lead pencils melts at

1 \(2000^{\circ} \mathrm{C}\)
2 \(350^{\circ} \mathrm{C}\)
3 \(3170^{\circ} \mathrm{C}\)
4 \(75^{\circ} \mathrm{C}\)
AIIMS - 2009
CHXI11:THE P-BLOCK ELEMENTS

316919 Which statement is correct regarding the diagonal relationship between Be and Al ?
(I) Both carbides on hydrolysis produces \(\mathrm{CH}_{4}\) gas
(II) Both Be and Al oxides are amphoteric in nature.
(III) In vapour state, chlorides of both exist as chlorobridge dimer having \((3{\rm{c}} - 4{\rm{e}})\) bonds
(IV) Both Be and Al nitrides on hydrolysis give \(\mathrm{NH}_{3}\) gas.

1 I, II are correct
2 I, III are correct
3 I, II, III, IV are correct
4 Only III is correct
CHXI11:THE P-BLOCK ELEMENTS

316920 Tin cry refers to

1 Conversion of white to grey tin
2 Tin plating
3 Conversion of white tetrahedral tin to white rhombohedral tin.
4 Emission of sound while bending a tin rod.
Join With Us for More Updates