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

189435 Phosphine is produced by adding water to

1 \(Ca{C_2}\)
2 \(HP{O_3}\)
3 \(C{a_3}{P_2}\)
4 \({P_4}{O_{10}}\)
07. The p-BLOCK ELEMENTS (XII)

188613 Auto-oxidation of bleaching powder gives

1 only calcium chlorate
2 only calcium chloride
3 only calcium hypochlorite
4 both \((A)\) and \((B)\)
07. The p-BLOCK ELEMENTS (XII)

188614 Which is incorrectly matched?

1 \({I_4}{O_9} \rightleftharpoons {I^{3 + }} + 3IO_3^ -\)
2 \({I_2}{O_4} \rightleftharpoons I{O^ + } + IO_3^ -\)
3 \(CsB{r_3} \rightleftharpoons C{s^ + } + Br_3^ -\)
4 None of these
07. The p-BLOCK ELEMENTS (XII)

188636 Which compound is not a monobasic acid ?

1 \(H_3PO_2\)
2 \(H_3BO_3\)
3 \(HCl\)
4 \(H_3PO_3\)
07. The p-BLOCK ELEMENTS (XII)

189341 Which blue liquid is obtained on reacting equimolar amounts of two gases at \( - 30\,^oC\)

1 \({N_2}O\)
2 \({N_2}{O_3}\)
3 \({N_2}{O_4}\)
4 \({N_2}{O_5}\)
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07. The p-BLOCK ELEMENTS (XII)

189435 Phosphine is produced by adding water to

1 \(Ca{C_2}\)
2 \(HP{O_3}\)
3 \(C{a_3}{P_2}\)
4 \({P_4}{O_{10}}\)
07. The p-BLOCK ELEMENTS (XII)

188613 Auto-oxidation of bleaching powder gives

1 only calcium chlorate
2 only calcium chloride
3 only calcium hypochlorite
4 both \((A)\) and \((B)\)
07. The p-BLOCK ELEMENTS (XII)

188614 Which is incorrectly matched?

1 \({I_4}{O_9} \rightleftharpoons {I^{3 + }} + 3IO_3^ -\)
2 \({I_2}{O_4} \rightleftharpoons I{O^ + } + IO_3^ -\)
3 \(CsB{r_3} \rightleftharpoons C{s^ + } + Br_3^ -\)
4 None of these
07. The p-BLOCK ELEMENTS (XII)

188636 Which compound is not a monobasic acid ?

1 \(H_3PO_2\)
2 \(H_3BO_3\)
3 \(HCl\)
4 \(H_3PO_3\)
07. The p-BLOCK ELEMENTS (XII)

189341 Which blue liquid is obtained on reacting equimolar amounts of two gases at \( - 30\,^oC\)

1 \({N_2}O\)
2 \({N_2}{O_3}\)
3 \({N_2}{O_4}\)
4 \({N_2}{O_5}\)
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07. The p-BLOCK ELEMENTS (XII)

189435 Phosphine is produced by adding water to

1 \(Ca{C_2}\)
2 \(HP{O_3}\)
3 \(C{a_3}{P_2}\)
4 \({P_4}{O_{10}}\)
07. The p-BLOCK ELEMENTS (XII)

188613 Auto-oxidation of bleaching powder gives

1 only calcium chlorate
2 only calcium chloride
3 only calcium hypochlorite
4 both \((A)\) and \((B)\)
07. The p-BLOCK ELEMENTS (XII)

188614 Which is incorrectly matched?

1 \({I_4}{O_9} \rightleftharpoons {I^{3 + }} + 3IO_3^ -\)
2 \({I_2}{O_4} \rightleftharpoons I{O^ + } + IO_3^ -\)
3 \(CsB{r_3} \rightleftharpoons C{s^ + } + Br_3^ -\)
4 None of these
07. The p-BLOCK ELEMENTS (XII)

188636 Which compound is not a monobasic acid ?

1 \(H_3PO_2\)
2 \(H_3BO_3\)
3 \(HCl\)
4 \(H_3PO_3\)
07. The p-BLOCK ELEMENTS (XII)

189341 Which blue liquid is obtained on reacting equimolar amounts of two gases at \( - 30\,^oC\)

1 \({N_2}O\)
2 \({N_2}{O_3}\)
3 \({N_2}{O_4}\)
4 \({N_2}{O_5}\)
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07. The p-BLOCK ELEMENTS (XII)

189435 Phosphine is produced by adding water to

1 \(Ca{C_2}\)
2 \(HP{O_3}\)
3 \(C{a_3}{P_2}\)
4 \({P_4}{O_{10}}\)
07. The p-BLOCK ELEMENTS (XII)

188613 Auto-oxidation of bleaching powder gives

1 only calcium chlorate
2 only calcium chloride
3 only calcium hypochlorite
4 both \((A)\) and \((B)\)
07. The p-BLOCK ELEMENTS (XII)

188614 Which is incorrectly matched?

1 \({I_4}{O_9} \rightleftharpoons {I^{3 + }} + 3IO_3^ -\)
2 \({I_2}{O_4} \rightleftharpoons I{O^ + } + IO_3^ -\)
3 \(CsB{r_3} \rightleftharpoons C{s^ + } + Br_3^ -\)
4 None of these
07. The p-BLOCK ELEMENTS (XII)

188636 Which compound is not a monobasic acid ?

1 \(H_3PO_2\)
2 \(H_3BO_3\)
3 \(HCl\)
4 \(H_3PO_3\)
07. The p-BLOCK ELEMENTS (XII)

189341 Which blue liquid is obtained on reacting equimolar amounts of two gases at \( - 30\,^oC\)

1 \({N_2}O\)
2 \({N_2}{O_3}\)
3 \({N_2}{O_4}\)
4 \({N_2}{O_5}\)
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07. The p-BLOCK ELEMENTS (XII)

189435 Phosphine is produced by adding water to

1 \(Ca{C_2}\)
2 \(HP{O_3}\)
3 \(C{a_3}{P_2}\)
4 \({P_4}{O_{10}}\)
07. The p-BLOCK ELEMENTS (XII)

188613 Auto-oxidation of bleaching powder gives

1 only calcium chlorate
2 only calcium chloride
3 only calcium hypochlorite
4 both \((A)\) and \((B)\)
07. The p-BLOCK ELEMENTS (XII)

188614 Which is incorrectly matched?

1 \({I_4}{O_9} \rightleftharpoons {I^{3 + }} + 3IO_3^ -\)
2 \({I_2}{O_4} \rightleftharpoons I{O^ + } + IO_3^ -\)
3 \(CsB{r_3} \rightleftharpoons C{s^ + } + Br_3^ -\)
4 None of these
07. The p-BLOCK ELEMENTS (XII)

188636 Which compound is not a monobasic acid ?

1 \(H_3PO_2\)
2 \(H_3BO_3\)
3 \(HCl\)
4 \(H_3PO_3\)
07. The p-BLOCK ELEMENTS (XII)

189341 Which blue liquid is obtained on reacting equimolar amounts of two gases at \( - 30\,^oC\)

1 \({N_2}O\)
2 \({N_2}{O_3}\)
3 \({N_2}{O_4}\)
4 \({N_2}{O_5}\)