Halogen Containing Compounds Reactions with Metals
CHXII10:HALOALKANES AND HALOARENES

322446 Which of the following reactions yields biphenyl from chlorobenzene?

1 Swarts reaction
2 Wurtz reaction
3 Fittig reaction
4 Finkelstein reaction
CHXII10:HALOALKANES AND HALOARENES

322447 The reaction of ethyl bromide with a lead-sodium alloy gives

1 Tetraethyl bromide
2 Tetraethyl lead
3 Sodium ethoxide
4 None of these
CHXII10:HALOALKANES AND HALOARENES

322448 Assertion :
Chlorobenzene on reaction with sodium metal in the presence of dry ether gives diphenyl.
Reason :
This reaction is called Ullmann reaction.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXII10:HALOALKANES AND HALOARENES

322449 Chloro benzene on treatment with sodium in dry ether gives diphenyl. The name of the reaction is

1 Fittig reaction
2 Wurtz Fittig reaction
3 Wurtz reaction
4 Sandmeyer reaction
CHXII10:HALOALKANES AND HALOARENES

322450 Which of the following represents Wurtz - Fittig reaction?

1 \({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{I + 2Na + C}}{{\text{H}}_{\text{3}}}{\text{I}}\xrightarrow{{{\text{ dryether }}}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{ + 2NaI}}\)
2 \({\text{2}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{I + 2Na}}\xrightarrow{{{\text{ dry ether }}}}\)
\({{\text{C}}_6}{{\text{H}}_5}{{\text{C}}_6}{{\text{H}}_5} + 2{\text{NaI}}\)
3 \({\text{2C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{I + 2Na}}\xrightarrow{{{\text{ dry ether }}}}\)
\({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{ + 2NaI}}\)
4 \({\text{C}}{{\text{H}}_{\text{3}}}{\text{Br + AgF}} \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{F + AgBr}}\)
CHXII10:HALOALKANES AND HALOARENES

322446 Which of the following reactions yields biphenyl from chlorobenzene?

1 Swarts reaction
2 Wurtz reaction
3 Fittig reaction
4 Finkelstein reaction
CHXII10:HALOALKANES AND HALOARENES

322447 The reaction of ethyl bromide with a lead-sodium alloy gives

1 Tetraethyl bromide
2 Tetraethyl lead
3 Sodium ethoxide
4 None of these
CHXII10:HALOALKANES AND HALOARENES

322448 Assertion :
Chlorobenzene on reaction with sodium metal in the presence of dry ether gives diphenyl.
Reason :
This reaction is called Ullmann reaction.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXII10:HALOALKANES AND HALOARENES

322449 Chloro benzene on treatment with sodium in dry ether gives diphenyl. The name of the reaction is

1 Fittig reaction
2 Wurtz Fittig reaction
3 Wurtz reaction
4 Sandmeyer reaction
CHXII10:HALOALKANES AND HALOARENES

322450 Which of the following represents Wurtz - Fittig reaction?

1 \({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{I + 2Na + C}}{{\text{H}}_{\text{3}}}{\text{I}}\xrightarrow{{{\text{ dryether }}}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{ + 2NaI}}\)
2 \({\text{2}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{I + 2Na}}\xrightarrow{{{\text{ dry ether }}}}\)
\({{\text{C}}_6}{{\text{H}}_5}{{\text{C}}_6}{{\text{H}}_5} + 2{\text{NaI}}\)
3 \({\text{2C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{I + 2Na}}\xrightarrow{{{\text{ dry ether }}}}\)
\({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{ + 2NaI}}\)
4 \({\text{C}}{{\text{H}}_{\text{3}}}{\text{Br + AgF}} \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{F + AgBr}}\)
CHXII10:HALOALKANES AND HALOARENES

322446 Which of the following reactions yields biphenyl from chlorobenzene?

1 Swarts reaction
2 Wurtz reaction
3 Fittig reaction
4 Finkelstein reaction
CHXII10:HALOALKANES AND HALOARENES

322447 The reaction of ethyl bromide with a lead-sodium alloy gives

1 Tetraethyl bromide
2 Tetraethyl lead
3 Sodium ethoxide
4 None of these
CHXII10:HALOALKANES AND HALOARENES

322448 Assertion :
Chlorobenzene on reaction with sodium metal in the presence of dry ether gives diphenyl.
Reason :
This reaction is called Ullmann reaction.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXII10:HALOALKANES AND HALOARENES

322449 Chloro benzene on treatment with sodium in dry ether gives diphenyl. The name of the reaction is

1 Fittig reaction
2 Wurtz Fittig reaction
3 Wurtz reaction
4 Sandmeyer reaction
CHXII10:HALOALKANES AND HALOARENES

322450 Which of the following represents Wurtz - Fittig reaction?

1 \({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{I + 2Na + C}}{{\text{H}}_{\text{3}}}{\text{I}}\xrightarrow{{{\text{ dryether }}}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{ + 2NaI}}\)
2 \({\text{2}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{I + 2Na}}\xrightarrow{{{\text{ dry ether }}}}\)
\({{\text{C}}_6}{{\text{H}}_5}{{\text{C}}_6}{{\text{H}}_5} + 2{\text{NaI}}\)
3 \({\text{2C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{I + 2Na}}\xrightarrow{{{\text{ dry ether }}}}\)
\({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{ + 2NaI}}\)
4 \({\text{C}}{{\text{H}}_{\text{3}}}{\text{Br + AgF}} \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{F + AgBr}}\)
CHXII10:HALOALKANES AND HALOARENES

322446 Which of the following reactions yields biphenyl from chlorobenzene?

1 Swarts reaction
2 Wurtz reaction
3 Fittig reaction
4 Finkelstein reaction
CHXII10:HALOALKANES AND HALOARENES

322447 The reaction of ethyl bromide with a lead-sodium alloy gives

1 Tetraethyl bromide
2 Tetraethyl lead
3 Sodium ethoxide
4 None of these
CHXII10:HALOALKANES AND HALOARENES

322448 Assertion :
Chlorobenzene on reaction with sodium metal in the presence of dry ether gives diphenyl.
Reason :
This reaction is called Ullmann reaction.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXII10:HALOALKANES AND HALOARENES

322449 Chloro benzene on treatment with sodium in dry ether gives diphenyl. The name of the reaction is

1 Fittig reaction
2 Wurtz Fittig reaction
3 Wurtz reaction
4 Sandmeyer reaction
CHXII10:HALOALKANES AND HALOARENES

322450 Which of the following represents Wurtz - Fittig reaction?

1 \({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{I + 2Na + C}}{{\text{H}}_{\text{3}}}{\text{I}}\xrightarrow{{{\text{ dryether }}}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{ + 2NaI}}\)
2 \({\text{2}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{I + 2Na}}\xrightarrow{{{\text{ dry ether }}}}\)
\({{\text{C}}_6}{{\text{H}}_5}{{\text{C}}_6}{{\text{H}}_5} + 2{\text{NaI}}\)
3 \({\text{2C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{I + 2Na}}\xrightarrow{{{\text{ dry ether }}}}\)
\({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{ + 2NaI}}\)
4 \({\text{C}}{{\text{H}}_{\text{3}}}{\text{Br + AgF}} \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{F + AgBr}}\)
CHXII10:HALOALKANES AND HALOARENES

322446 Which of the following reactions yields biphenyl from chlorobenzene?

1 Swarts reaction
2 Wurtz reaction
3 Fittig reaction
4 Finkelstein reaction
CHXII10:HALOALKANES AND HALOARENES

322447 The reaction of ethyl bromide with a lead-sodium alloy gives

1 Tetraethyl bromide
2 Tetraethyl lead
3 Sodium ethoxide
4 None of these
CHXII10:HALOALKANES AND HALOARENES

322448 Assertion :
Chlorobenzene on reaction with sodium metal in the presence of dry ether gives diphenyl.
Reason :
This reaction is called Ullmann reaction.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXII10:HALOALKANES AND HALOARENES

322449 Chloro benzene on treatment with sodium in dry ether gives diphenyl. The name of the reaction is

1 Fittig reaction
2 Wurtz Fittig reaction
3 Wurtz reaction
4 Sandmeyer reaction
CHXII10:HALOALKANES AND HALOARENES

322450 Which of the following represents Wurtz - Fittig reaction?

1 \({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{I + 2Na + C}}{{\text{H}}_{\text{3}}}{\text{I}}\xrightarrow{{{\text{ dryether }}}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{ + 2NaI}}\)
2 \({\text{2}}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{I + 2Na}}\xrightarrow{{{\text{ dry ether }}}}\)
\({{\text{C}}_6}{{\text{H}}_5}{{\text{C}}_6}{{\text{H}}_5} + 2{\text{NaI}}\)
3 \({\text{2C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{I + 2Na}}\xrightarrow{{{\text{ dry ether }}}}\)
\({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{ + 2NaI}}\)
4 \({\text{C}}{{\text{H}}_{\text{3}}}{\text{Br + AgF}} \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{F + AgBr}}\)