Chemical Properties and General Characteristics of Group – 13 Elements
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NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316210 \(\mathrm{AlCl}_{3}\) is an electron deficient compund but \(\mathrm{AlF}_{3}\) is not. This is because

1 Atomic size of \(\mathrm{F}\) is smaller than \(\mathrm{Cl}\) which makes \(\mathrm{AlF}_{3}\) more covalent
2 \(\mathrm{AlCl}_{3}\) is a covalent compound while \(\mathrm{AlF}_{3}\) is an ionic compound
3 \(\mathrm{AlCl}_{3}\) exists as a dimer but \(\mathrm{AlF}_{3}\) does not
4 \(\mathrm{Al}\) in \(\mathrm{AlCl}_{3}\) is in \(\mathrm{sp}^{3}\) hybrid state but \(\mathrm{Al}\) in \(\mathrm{AlF}_{3}\) is in \(\mathrm{sp}^{2}\) state
CHXI11:THE P-BLOCK ELEMENTS

316211 The halides of group IIIA elements behave as Lewis acids. The acceptor ability is maximum for the halides of

1 \(\mathrm{Tl}\)
2 \(\mathrm{Ga}\)
3 \(\mathrm{Al}\)
4 \(\mathrm{B}\)
CHXI11:THE P-BLOCK ELEMENTS

316212 Assertion :
\(\mathrm{PbI}_{4}\) does not exist although \(\mathrm{PbCl}_{4}\) exist
Reason :
Both \(\mathrm{Pb}^{4+}\) and \(\mathrm{I}^{-}\)are strong oxidant and strong reductant, respectively.

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.
CHXI11:THE P-BLOCK ELEMENTS

316213 \(\mathrm{BF}_{3}\) is

1 electron deficient compound
2 Lewis base
3 used as rocket fuel
4 ionic compound
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CHXI11:THE P-BLOCK ELEMENTS

316210 \(\mathrm{AlCl}_{3}\) is an electron deficient compund but \(\mathrm{AlF}_{3}\) is not. This is because

1 Atomic size of \(\mathrm{F}\) is smaller than \(\mathrm{Cl}\) which makes \(\mathrm{AlF}_{3}\) more covalent
2 \(\mathrm{AlCl}_{3}\) is a covalent compound while \(\mathrm{AlF}_{3}\) is an ionic compound
3 \(\mathrm{AlCl}_{3}\) exists as a dimer but \(\mathrm{AlF}_{3}\) does not
4 \(\mathrm{Al}\) in \(\mathrm{AlCl}_{3}\) is in \(\mathrm{sp}^{3}\) hybrid state but \(\mathrm{Al}\) in \(\mathrm{AlF}_{3}\) is in \(\mathrm{sp}^{2}\) state
CHXI11:THE P-BLOCK ELEMENTS

316211 The halides of group IIIA elements behave as Lewis acids. The acceptor ability is maximum for the halides of

1 \(\mathrm{Tl}\)
2 \(\mathrm{Ga}\)
3 \(\mathrm{Al}\)
4 \(\mathrm{B}\)
CHXI11:THE P-BLOCK ELEMENTS

316212 Assertion :
\(\mathrm{PbI}_{4}\) does not exist although \(\mathrm{PbCl}_{4}\) exist
Reason :
Both \(\mathrm{Pb}^{4+}\) and \(\mathrm{I}^{-}\)are strong oxidant and strong reductant, respectively.

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.
CHXI11:THE P-BLOCK ELEMENTS

316213 \(\mathrm{BF}_{3}\) is

1 electron deficient compound
2 Lewis base
3 used as rocket fuel
4 ionic compound
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CHXI11:THE P-BLOCK ELEMENTS

316210 \(\mathrm{AlCl}_{3}\) is an electron deficient compund but \(\mathrm{AlF}_{3}\) is not. This is because

1 Atomic size of \(\mathrm{F}\) is smaller than \(\mathrm{Cl}\) which makes \(\mathrm{AlF}_{3}\) more covalent
2 \(\mathrm{AlCl}_{3}\) is a covalent compound while \(\mathrm{AlF}_{3}\) is an ionic compound
3 \(\mathrm{AlCl}_{3}\) exists as a dimer but \(\mathrm{AlF}_{3}\) does not
4 \(\mathrm{Al}\) in \(\mathrm{AlCl}_{3}\) is in \(\mathrm{sp}^{3}\) hybrid state but \(\mathrm{Al}\) in \(\mathrm{AlF}_{3}\) is in \(\mathrm{sp}^{2}\) state
CHXI11:THE P-BLOCK ELEMENTS

316211 The halides of group IIIA elements behave as Lewis acids. The acceptor ability is maximum for the halides of

1 \(\mathrm{Tl}\)
2 \(\mathrm{Ga}\)
3 \(\mathrm{Al}\)
4 \(\mathrm{B}\)
CHXI11:THE P-BLOCK ELEMENTS

316212 Assertion :
\(\mathrm{PbI}_{4}\) does not exist although \(\mathrm{PbCl}_{4}\) exist
Reason :
Both \(\mathrm{Pb}^{4+}\) and \(\mathrm{I}^{-}\)are strong oxidant and strong reductant, respectively.

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.
CHXI11:THE P-BLOCK ELEMENTS

316213 \(\mathrm{BF}_{3}\) is

1 electron deficient compound
2 Lewis base
3 used as rocket fuel
4 ionic compound
NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316210 \(\mathrm{AlCl}_{3}\) is an electron deficient compund but \(\mathrm{AlF}_{3}\) is not. This is because

1 Atomic size of \(\mathrm{F}\) is smaller than \(\mathrm{Cl}\) which makes \(\mathrm{AlF}_{3}\) more covalent
2 \(\mathrm{AlCl}_{3}\) is a covalent compound while \(\mathrm{AlF}_{3}\) is an ionic compound
3 \(\mathrm{AlCl}_{3}\) exists as a dimer but \(\mathrm{AlF}_{3}\) does not
4 \(\mathrm{Al}\) in \(\mathrm{AlCl}_{3}\) is in \(\mathrm{sp}^{3}\) hybrid state but \(\mathrm{Al}\) in \(\mathrm{AlF}_{3}\) is in \(\mathrm{sp}^{2}\) state
CHXI11:THE P-BLOCK ELEMENTS

316211 The halides of group IIIA elements behave as Lewis acids. The acceptor ability is maximum for the halides of

1 \(\mathrm{Tl}\)
2 \(\mathrm{Ga}\)
3 \(\mathrm{Al}\)
4 \(\mathrm{B}\)
CHXI11:THE P-BLOCK ELEMENTS

316212 Assertion :
\(\mathrm{PbI}_{4}\) does not exist although \(\mathrm{PbCl}_{4}\) exist
Reason :
Both \(\mathrm{Pb}^{4+}\) and \(\mathrm{I}^{-}\)are strong oxidant and strong reductant, respectively.

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.
CHXI11:THE P-BLOCK ELEMENTS

316213 \(\mathrm{BF}_{3}\) is

1 electron deficient compound
2 Lewis base
3 used as rocket fuel
4 ionic compound
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