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

189863 The Lewis acid nature of \(BX_3\) follows the order

1 \(BF_3 > BCl_3 > BBr_3 > BI_3\)
2 \(BF_3 < BCl_3 < BBr_3 < BI_3\)
3 \(BCl_3 > BF_3 > BBr_3 > BI_3\)
4 \(BF_3 < BBr_3 < BCl_3 < BI_3\)
11. THE P-BLOCK ELEMENTS

189864 The correct statement regarding oxide of \('X'\)

1 It react with \(HCl\)
2 It react with \(NaOH\)
3 Both \((A)\) and \((B)\)
4 It can neither react with \(HCl\) nor \(NaOH\).
11. THE P-BLOCK ELEMENTS

189865 \((Me)_2\, SiCl_2\) on condensation after hydrolysis will produce

1 \(Si(OH)_4\)
2 \((Me)_2 \,Si = O\)
3 \([—O—(Me)_2\, Si—O—]_n\)
4 \(Me_2 \,SiCl(OH)\)
11. THE P-BLOCK ELEMENTS

189866 When \(PbO_2\) reacts with conc. \(HNO_3\) the gas evolved may be

1 \(NO_2\)
2 \(O_2\)
3 \(N_2\)
4 \(N_2O\)
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11. THE P-BLOCK ELEMENTS

189863 The Lewis acid nature of \(BX_3\) follows the order

1 \(BF_3 > BCl_3 > BBr_3 > BI_3\)
2 \(BF_3 < BCl_3 < BBr_3 < BI_3\)
3 \(BCl_3 > BF_3 > BBr_3 > BI_3\)
4 \(BF_3 < BBr_3 < BCl_3 < BI_3\)
11. THE P-BLOCK ELEMENTS

189864 The correct statement regarding oxide of \('X'\)

1 It react with \(HCl\)
2 It react with \(NaOH\)
3 Both \((A)\) and \((B)\)
4 It can neither react with \(HCl\) nor \(NaOH\).
11. THE P-BLOCK ELEMENTS

189865 \((Me)_2\, SiCl_2\) on condensation after hydrolysis will produce

1 \(Si(OH)_4\)
2 \((Me)_2 \,Si = O\)
3 \([—O—(Me)_2\, Si—O—]_n\)
4 \(Me_2 \,SiCl(OH)\)
11. THE P-BLOCK ELEMENTS

189866 When \(PbO_2\) reacts with conc. \(HNO_3\) the gas evolved may be

1 \(NO_2\)
2 \(O_2\)
3 \(N_2\)
4 \(N_2O\)
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11. THE P-BLOCK ELEMENTS

189863 The Lewis acid nature of \(BX_3\) follows the order

1 \(BF_3 > BCl_3 > BBr_3 > BI_3\)
2 \(BF_3 < BCl_3 < BBr_3 < BI_3\)
3 \(BCl_3 > BF_3 > BBr_3 > BI_3\)
4 \(BF_3 < BBr_3 < BCl_3 < BI_3\)
11. THE P-BLOCK ELEMENTS

189864 The correct statement regarding oxide of \('X'\)

1 It react with \(HCl\)
2 It react with \(NaOH\)
3 Both \((A)\) and \((B)\)
4 It can neither react with \(HCl\) nor \(NaOH\).
11. THE P-BLOCK ELEMENTS

189865 \((Me)_2\, SiCl_2\) on condensation after hydrolysis will produce

1 \(Si(OH)_4\)
2 \((Me)_2 \,Si = O\)
3 \([—O—(Me)_2\, Si—O—]_n\)
4 \(Me_2 \,SiCl(OH)\)
11. THE P-BLOCK ELEMENTS

189866 When \(PbO_2\) reacts with conc. \(HNO_3\) the gas evolved may be

1 \(NO_2\)
2 \(O_2\)
3 \(N_2\)
4 \(N_2O\)
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11. THE P-BLOCK ELEMENTS

189863 The Lewis acid nature of \(BX_3\) follows the order

1 \(BF_3 > BCl_3 > BBr_3 > BI_3\)
2 \(BF_3 < BCl_3 < BBr_3 < BI_3\)
3 \(BCl_3 > BF_3 > BBr_3 > BI_3\)
4 \(BF_3 < BBr_3 < BCl_3 < BI_3\)
11. THE P-BLOCK ELEMENTS

189864 The correct statement regarding oxide of \('X'\)

1 It react with \(HCl\)
2 It react with \(NaOH\)
3 Both \((A)\) and \((B)\)
4 It can neither react with \(HCl\) nor \(NaOH\).
11. THE P-BLOCK ELEMENTS

189865 \((Me)_2\, SiCl_2\) on condensation after hydrolysis will produce

1 \(Si(OH)_4\)
2 \((Me)_2 \,Si = O\)
3 \([—O—(Me)_2\, Si—O—]_n\)
4 \(Me_2 \,SiCl(OH)\)
11. THE P-BLOCK ELEMENTS

189866 When \(PbO_2\) reacts with conc. \(HNO_3\) the gas evolved may be

1 \(NO_2\)
2 \(O_2\)
3 \(N_2\)
4 \(N_2O\)
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