07. The p-BLOCK ELEMENTS (XII)
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07. The p-BLOCK ELEMENTS (XII)

189220 Amongst \({H_2}O,\) \({H_2}S,\) \({H_2}Se\) and \({H_2}Te\) the one with the highest boiling point is

1 \({H_2}O\) because of hydrogen bonding
2 \({H_2}Te\) because of higher molecular weight
3 \({H_2}S\) because of hydrogen bonding
4 \({H_2}Se\) because of lower molecular weight
07. The p-BLOCK ELEMENTS (XII)

189221 Among the hydrides formed by the group \(VI-A\) elements, only \({H_2}O\) has an abnormally low volatility (high boiling point). This is so because

1 \({H_2}O\) molecules are associated due to intermolecular hydrogen bonds
2 \({H_2}O\) is covalent in nature
3 The \(O - H\) bond in \({H_2}O\) is very strong
4 The electronegativity difference of \(H\) and \(O\) is very large
07. The p-BLOCK ELEMENTS (XII)

189222 Sulphuric acid reacts with \(PC{l_5}\) to give

1 Thionyl chloride
2 Sulphur monochloride
3 Sulphuryl chloride
4 Sulphur tetrachloride
07. The p-BLOCK ELEMENTS (XII)

189223 Carbogen is

1 Pure form of carbon
2 \(COC{l_2}\)
3 Mixture of \(CO\) and \(C{O_2}\)
4 Mixture of \({O_2}\) and \(C{O_2}\)
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07. The p-BLOCK ELEMENTS (XII)

189220 Amongst \({H_2}O,\) \({H_2}S,\) \({H_2}Se\) and \({H_2}Te\) the one with the highest boiling point is

1 \({H_2}O\) because of hydrogen bonding
2 \({H_2}Te\) because of higher molecular weight
3 \({H_2}S\) because of hydrogen bonding
4 \({H_2}Se\) because of lower molecular weight
07. The p-BLOCK ELEMENTS (XII)

189221 Among the hydrides formed by the group \(VI-A\) elements, only \({H_2}O\) has an abnormally low volatility (high boiling point). This is so because

1 \({H_2}O\) molecules are associated due to intermolecular hydrogen bonds
2 \({H_2}O\) is covalent in nature
3 The \(O - H\) bond in \({H_2}O\) is very strong
4 The electronegativity difference of \(H\) and \(O\) is very large
07. The p-BLOCK ELEMENTS (XII)

189222 Sulphuric acid reacts with \(PC{l_5}\) to give

1 Thionyl chloride
2 Sulphur monochloride
3 Sulphuryl chloride
4 Sulphur tetrachloride
07. The p-BLOCK ELEMENTS (XII)

189223 Carbogen is

1 Pure form of carbon
2 \(COC{l_2}\)
3 Mixture of \(CO\) and \(C{O_2}\)
4 Mixture of \({O_2}\) and \(C{O_2}\)
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07. The p-BLOCK ELEMENTS (XII)

189220 Amongst \({H_2}O,\) \({H_2}S,\) \({H_2}Se\) and \({H_2}Te\) the one with the highest boiling point is

1 \({H_2}O\) because of hydrogen bonding
2 \({H_2}Te\) because of higher molecular weight
3 \({H_2}S\) because of hydrogen bonding
4 \({H_2}Se\) because of lower molecular weight
07. The p-BLOCK ELEMENTS (XII)

189221 Among the hydrides formed by the group \(VI-A\) elements, only \({H_2}O\) has an abnormally low volatility (high boiling point). This is so because

1 \({H_2}O\) molecules are associated due to intermolecular hydrogen bonds
2 \({H_2}O\) is covalent in nature
3 The \(O - H\) bond in \({H_2}O\) is very strong
4 The electronegativity difference of \(H\) and \(O\) is very large
07. The p-BLOCK ELEMENTS (XII)

189222 Sulphuric acid reacts with \(PC{l_5}\) to give

1 Thionyl chloride
2 Sulphur monochloride
3 Sulphuryl chloride
4 Sulphur tetrachloride
07. The p-BLOCK ELEMENTS (XII)

189223 Carbogen is

1 Pure form of carbon
2 \(COC{l_2}\)
3 Mixture of \(CO\) and \(C{O_2}\)
4 Mixture of \({O_2}\) and \(C{O_2}\)
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07. The p-BLOCK ELEMENTS (XII)

189220 Amongst \({H_2}O,\) \({H_2}S,\) \({H_2}Se\) and \({H_2}Te\) the one with the highest boiling point is

1 \({H_2}O\) because of hydrogen bonding
2 \({H_2}Te\) because of higher molecular weight
3 \({H_2}S\) because of hydrogen bonding
4 \({H_2}Se\) because of lower molecular weight
07. The p-BLOCK ELEMENTS (XII)

189221 Among the hydrides formed by the group \(VI-A\) elements, only \({H_2}O\) has an abnormally low volatility (high boiling point). This is so because

1 \({H_2}O\) molecules are associated due to intermolecular hydrogen bonds
2 \({H_2}O\) is covalent in nature
3 The \(O - H\) bond in \({H_2}O\) is very strong
4 The electronegativity difference of \(H\) and \(O\) is very large
07. The p-BLOCK ELEMENTS (XII)

189222 Sulphuric acid reacts with \(PC{l_5}\) to give

1 Thionyl chloride
2 Sulphur monochloride
3 Sulphuryl chloride
4 Sulphur tetrachloride
07. The p-BLOCK ELEMENTS (XII)

189223 Carbogen is

1 Pure form of carbon
2 \(COC{l_2}\)
3 Mixture of \(CO\) and \(C{O_2}\)
4 Mixture of \({O_2}\) and \(C{O_2}\)