07. The p-BLOCK ELEMENTS (XII)
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NEET DIGITAL LIBRARY
07. The p-BLOCK ELEMENTS (XII)

188834 Cyclic polymetaphosphate have general formula \((P_nO_{3n})^{n-}\). Which of the following statement is true for the cyclic trimeric metaphosphate?

1 It has \(P-P\) linkages
2 \(P_3O_9^{3-}\) and trimeric form of \(SO_3\) have same number of \(p \pi-d \pi\) bonds
3 All the \(P-O\) bond lengths are identical to each other
4 Each phosphorous has \(sp^3d\) hybridised state
07. The p-BLOCK ELEMENTS (XII)

188874 Select the gas-phase reaction\((s)\) which can proceed spontaneously ?

1 \(C{l^ - } + I \to {I^ - } + Cl\)
2 \(S{i^ + } + Cl \to Si + C{l^ + }\)
3 Both \((A)\) and \((B)\)
4 \(Kr + H{e^ + } \to K{r^ + } + He\)
07. The p-BLOCK ELEMENTS (XII)

188875 The reaction that does not produce nitrogen is

1 Heating \({\left( {N{H_4}} \right)_2}C{r_2}{O_7}\)
2 \(NH_3\) + Excess \(Cl_2\)
3 Heating \(NaN_3\)
4 Heating \(NH_4NO_2\)
07. The p-BLOCK ELEMENTS (XII)

188900 Which of the following oxy acid has \(X-O-X\) linkage :-

1 \(H_2S_2O_6\)
2 \(H_2S_2O_5\)
3 \(H_4P_2O_5\)
4 \(H_4P_2O_8\)
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07. The p-BLOCK ELEMENTS (XII)

188834 Cyclic polymetaphosphate have general formula \((P_nO_{3n})^{n-}\). Which of the following statement is true for the cyclic trimeric metaphosphate?

1 It has \(P-P\) linkages
2 \(P_3O_9^{3-}\) and trimeric form of \(SO_3\) have same number of \(p \pi-d \pi\) bonds
3 All the \(P-O\) bond lengths are identical to each other
4 Each phosphorous has \(sp^3d\) hybridised state
07. The p-BLOCK ELEMENTS (XII)

188874 Select the gas-phase reaction\((s)\) which can proceed spontaneously ?

1 \(C{l^ - } + I \to {I^ - } + Cl\)
2 \(S{i^ + } + Cl \to Si + C{l^ + }\)
3 Both \((A)\) and \((B)\)
4 \(Kr + H{e^ + } \to K{r^ + } + He\)
07. The p-BLOCK ELEMENTS (XII)

188875 The reaction that does not produce nitrogen is

1 Heating \({\left( {N{H_4}} \right)_2}C{r_2}{O_7}\)
2 \(NH_3\) + Excess \(Cl_2\)
3 Heating \(NaN_3\)
4 Heating \(NH_4NO_2\)
07. The p-BLOCK ELEMENTS (XII)

188900 Which of the following oxy acid has \(X-O-X\) linkage :-

1 \(H_2S_2O_6\)
2 \(H_2S_2O_5\)
3 \(H_4P_2O_5\)
4 \(H_4P_2O_8\)
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07. The p-BLOCK ELEMENTS (XII)

188834 Cyclic polymetaphosphate have general formula \((P_nO_{3n})^{n-}\). Which of the following statement is true for the cyclic trimeric metaphosphate?

1 It has \(P-P\) linkages
2 \(P_3O_9^{3-}\) and trimeric form of \(SO_3\) have same number of \(p \pi-d \pi\) bonds
3 All the \(P-O\) bond lengths are identical to each other
4 Each phosphorous has \(sp^3d\) hybridised state
07. The p-BLOCK ELEMENTS (XII)

188874 Select the gas-phase reaction\((s)\) which can proceed spontaneously ?

1 \(C{l^ - } + I \to {I^ - } + Cl\)
2 \(S{i^ + } + Cl \to Si + C{l^ + }\)
3 Both \((A)\) and \((B)\)
4 \(Kr + H{e^ + } \to K{r^ + } + He\)
07. The p-BLOCK ELEMENTS (XII)

188875 The reaction that does not produce nitrogen is

1 Heating \({\left( {N{H_4}} \right)_2}C{r_2}{O_7}\)
2 \(NH_3\) + Excess \(Cl_2\)
3 Heating \(NaN_3\)
4 Heating \(NH_4NO_2\)
07. The p-BLOCK ELEMENTS (XII)

188900 Which of the following oxy acid has \(X-O-X\) linkage :-

1 \(H_2S_2O_6\)
2 \(H_2S_2O_5\)
3 \(H_4P_2O_5\)
4 \(H_4P_2O_8\)
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07. The p-BLOCK ELEMENTS (XII)

188834 Cyclic polymetaphosphate have general formula \((P_nO_{3n})^{n-}\). Which of the following statement is true for the cyclic trimeric metaphosphate?

1 It has \(P-P\) linkages
2 \(P_3O_9^{3-}\) and trimeric form of \(SO_3\) have same number of \(p \pi-d \pi\) bonds
3 All the \(P-O\) bond lengths are identical to each other
4 Each phosphorous has \(sp^3d\) hybridised state
07. The p-BLOCK ELEMENTS (XII)

188874 Select the gas-phase reaction\((s)\) which can proceed spontaneously ?

1 \(C{l^ - } + I \to {I^ - } + Cl\)
2 \(S{i^ + } + Cl \to Si + C{l^ + }\)
3 Both \((A)\) and \((B)\)
4 \(Kr + H{e^ + } \to K{r^ + } + He\)
07. The p-BLOCK ELEMENTS (XII)

188875 The reaction that does not produce nitrogen is

1 Heating \({\left( {N{H_4}} \right)_2}C{r_2}{O_7}\)
2 \(NH_3\) + Excess \(Cl_2\)
3 Heating \(NaN_3\)
4 Heating \(NH_4NO_2\)
07. The p-BLOCK ELEMENTS (XII)

188900 Which of the following oxy acid has \(X-O-X\) linkage :-

1 \(H_2S_2O_6\)
2 \(H_2S_2O_5\)
3 \(H_4P_2O_5\)
4 \(H_4P_2O_8\)
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