Miscellaneous Questions based on Group – 13 and 14 Elements
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CHXI11:THE P-BLOCK ELEMENTS

316678 Which of the following statements is not true for halogens ?

1 All but fluorine show positive oxidation states.
2 Chlorine has the highest electron-gain enthalpy
3 All are oxidizing agents
4 All form monobasic oxyacids
NEET - 2018
CHXI11:THE P-BLOCK ELEMENTS

316679 I.
Among halide ions, iodine is the most powerful reducing agent.
II. \(\mathrm{HOCl}\) is stronger acid than \(\mathrm{HOBr}\).
III. HF is stronger acid than \(\mathrm{HCl}\).
IV. Fluorine is the only halogen that does not show variable oxidation state.
The correct set of statements is

1 I, II and III
2 Only II and IV
3 I, II and IV
4 I, II, III and IV
CHXI11:THE P-BLOCK ELEMENTS

316680 Pick out the incorrect statement regarding halogens

1 Iodine forms a deep blue colour with starch solution.
2 Chlorine reacts with cold dilute \(\mathrm{NaOH}\) solution to give sodium chloride and sodium chlorate.
3 Bromine and iodine react with conc. \(\mathrm{NaOH}\) solution to form halide and halate ion.
4 Chlorine is reacted with water to form hydrochloric acid and hypochlorous acid.
CHXI11:THE P-BLOCK ELEMENTS

316681 When \(\mathrm{Cl}_{2}\) water is added to an aqueous solution of potassium halide in presence of chloroform a violet colour is obtained on adding more of \(\mathrm{Cl}_{2}\) water; the violet colour disappears and a colourless solution is obtained. This test confirms the presence of the following in aqueous solution:

1 Bromide
2 Chloride
3 Iodide
4 Iodide and bromide
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CHXI11:THE P-BLOCK ELEMENTS

316678 Which of the following statements is not true for halogens ?

1 All but fluorine show positive oxidation states.
2 Chlorine has the highest electron-gain enthalpy
3 All are oxidizing agents
4 All form monobasic oxyacids
NEET - 2018
CHXI11:THE P-BLOCK ELEMENTS

316679 I.
Among halide ions, iodine is the most powerful reducing agent.
II. \(\mathrm{HOCl}\) is stronger acid than \(\mathrm{HOBr}\).
III. HF is stronger acid than \(\mathrm{HCl}\).
IV. Fluorine is the only halogen that does not show variable oxidation state.
The correct set of statements is

1 I, II and III
2 Only II and IV
3 I, II and IV
4 I, II, III and IV
CHXI11:THE P-BLOCK ELEMENTS

316680 Pick out the incorrect statement regarding halogens

1 Iodine forms a deep blue colour with starch solution.
2 Chlorine reacts with cold dilute \(\mathrm{NaOH}\) solution to give sodium chloride and sodium chlorate.
3 Bromine and iodine react with conc. \(\mathrm{NaOH}\) solution to form halide and halate ion.
4 Chlorine is reacted with water to form hydrochloric acid and hypochlorous acid.
CHXI11:THE P-BLOCK ELEMENTS

316681 When \(\mathrm{Cl}_{2}\) water is added to an aqueous solution of potassium halide in presence of chloroform a violet colour is obtained on adding more of \(\mathrm{Cl}_{2}\) water; the violet colour disappears and a colourless solution is obtained. This test confirms the presence of the following in aqueous solution:

1 Bromide
2 Chloride
3 Iodide
4 Iodide and bromide
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CHXI11:THE P-BLOCK ELEMENTS

316678 Which of the following statements is not true for halogens ?

1 All but fluorine show positive oxidation states.
2 Chlorine has the highest electron-gain enthalpy
3 All are oxidizing agents
4 All form monobasic oxyacids
NEET - 2018
CHXI11:THE P-BLOCK ELEMENTS

316679 I.
Among halide ions, iodine is the most powerful reducing agent.
II. \(\mathrm{HOCl}\) is stronger acid than \(\mathrm{HOBr}\).
III. HF is stronger acid than \(\mathrm{HCl}\).
IV. Fluorine is the only halogen that does not show variable oxidation state.
The correct set of statements is

1 I, II and III
2 Only II and IV
3 I, II and IV
4 I, II, III and IV
CHXI11:THE P-BLOCK ELEMENTS

316680 Pick out the incorrect statement regarding halogens

1 Iodine forms a deep blue colour with starch solution.
2 Chlorine reacts with cold dilute \(\mathrm{NaOH}\) solution to give sodium chloride and sodium chlorate.
3 Bromine and iodine react with conc. \(\mathrm{NaOH}\) solution to form halide and halate ion.
4 Chlorine is reacted with water to form hydrochloric acid and hypochlorous acid.
CHXI11:THE P-BLOCK ELEMENTS

316681 When \(\mathrm{Cl}_{2}\) water is added to an aqueous solution of potassium halide in presence of chloroform a violet colour is obtained on adding more of \(\mathrm{Cl}_{2}\) water; the violet colour disappears and a colourless solution is obtained. This test confirms the presence of the following in aqueous solution:

1 Bromide
2 Chloride
3 Iodide
4 Iodide and bromide
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CHXI11:THE P-BLOCK ELEMENTS

316678 Which of the following statements is not true for halogens ?

1 All but fluorine show positive oxidation states.
2 Chlorine has the highest electron-gain enthalpy
3 All are oxidizing agents
4 All form monobasic oxyacids
NEET - 2018
CHXI11:THE P-BLOCK ELEMENTS

316679 I.
Among halide ions, iodine is the most powerful reducing agent.
II. \(\mathrm{HOCl}\) is stronger acid than \(\mathrm{HOBr}\).
III. HF is stronger acid than \(\mathrm{HCl}\).
IV. Fluorine is the only halogen that does not show variable oxidation state.
The correct set of statements is

1 I, II and III
2 Only II and IV
3 I, II and IV
4 I, II, III and IV
CHXI11:THE P-BLOCK ELEMENTS

316680 Pick out the incorrect statement regarding halogens

1 Iodine forms a deep blue colour with starch solution.
2 Chlorine reacts with cold dilute \(\mathrm{NaOH}\) solution to give sodium chloride and sodium chlorate.
3 Bromine and iodine react with conc. \(\mathrm{NaOH}\) solution to form halide and halate ion.
4 Chlorine is reacted with water to form hydrochloric acid and hypochlorous acid.
CHXI11:THE P-BLOCK ELEMENTS

316681 When \(\mathrm{Cl}_{2}\) water is added to an aqueous solution of potassium halide in presence of chloroform a violet colour is obtained on adding more of \(\mathrm{Cl}_{2}\) water; the violet colour disappears and a colourless solution is obtained. This test confirms the presence of the following in aqueous solution:

1 Bromide
2 Chloride
3 Iodide
4 Iodide and bromide
For More Updates join with Us
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