Chlorine and Its Compounds
CHXI11:THE P-BLOCK ELEMENTS

316344 Which has maximum \(\mathrm{pH}\) in aqueous solution?

1 \(\mathrm{NaClO}\)
2 \(\mathrm{NaClO}_{2}\)
3 \(\mathrm{NaClO}_{3}\)
4 \(\mathrm{NaClO}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316345 Select wrong chemical reaction among the following:

1 \(\mathrm{MnO}_{2}+4 \mathrm{HCl} \rightarrow \mathrm{MnCl}_{2}+\mathrm{Cl}_{2}+2 \mathrm{H}_{2} \mathrm{O}\)
2 \(8 \mathrm{NH}_{3}+3 \mathrm{Cl}_{2} \rightarrow 6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2}\)
3 \(2 \mathrm{NaOH}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{NaCl}+\mathrm{H}_{2}+\mathrm{O}_{2}\)
4 \({\rm{2Ca(OH}}{{\rm{)}}_{\rm{2}}}{\rm{ + 2C}}{{\rm{l}}_{\rm{2}}} \to {\rm{Ca(OCl}}{{\rm{)}}_{\rm{2}}}{\rm{ + CaC}}{{\rm{l}}_{\rm{2}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
CHXI11:THE P-BLOCK ELEMENTS

316346 The Bleaching action of the Bleaching powder is due to liberation of

1 Nascent chlorine
2 Nascent oxygen
3 Nascent hydrogen
4 Atomic hydrogen
CHXI11:THE P-BLOCK ELEMENTS

316347 Identify \({\text{B}}\) in the given reaction .
\(\mathrm{Ca}(\mathrm{OH})_{2} \xrightarrow{\mathrm{Cl}_{2},-\mathrm{H}_{2} \mathrm{O}} \mathrm{A}\)
\(\xrightarrow{\text { Auto Oxidation }} \mathrm{CaCl}_{2}+\mathrm{B}\)

1 \(\mathrm{CaOCl}_{2}\)
2 \(\mathrm{Ca}\left(\mathrm{ClO}_{3}\right)_{2}\)
3 \(\mathrm{Ca}(\mathrm{OH})_{2}\)
4 \(\mathrm{Ca}\left(\mathrm{ClO}_{2}\right)_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316348 \(\underset{\text { (Excess) }}{8 \mathrm{NH}_{3}}+3 \mathrm{Cl}_{2} \rightarrow \mathrm{X}\)
\(\mathrm{NH}_{3}+\underset{\text { (Excess) }}{3 \mathrm{Cl}_{2}} \rightarrow \mathrm{Y}\)
What are \(\mathrm{X}\) and \(\mathrm{Y}\) in the above reactions?

1 \(\mathrm{X}=6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2} ; \mathrm{Y}=\mathrm{NCl}_{3}+3 \mathrm{HCl}\)
2 \(\mathrm{X}=\mathrm{NCl}_{3}+3 \mathrm{HCl} ; \mathrm{Y}=6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2}\)
3 \(\mathrm{X}=\mathrm{NCl}_{3}+\mathrm{N}_{2} ; \mathrm{Y}=6 \mathrm{NH}_{4} \mathrm{Cl}+3 \mathrm{HCl}\)
4 \(\mathrm{X}=6 \mathrm{NH}_{4} \mathrm{Cl}+3 \mathrm{HCl} ; \mathrm{Y}=\mathrm{NCl}_{3}+\mathrm{N}_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316344 Which has maximum \(\mathrm{pH}\) in aqueous solution?

1 \(\mathrm{NaClO}\)
2 \(\mathrm{NaClO}_{2}\)
3 \(\mathrm{NaClO}_{3}\)
4 \(\mathrm{NaClO}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316345 Select wrong chemical reaction among the following:

1 \(\mathrm{MnO}_{2}+4 \mathrm{HCl} \rightarrow \mathrm{MnCl}_{2}+\mathrm{Cl}_{2}+2 \mathrm{H}_{2} \mathrm{O}\)
2 \(8 \mathrm{NH}_{3}+3 \mathrm{Cl}_{2} \rightarrow 6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2}\)
3 \(2 \mathrm{NaOH}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{NaCl}+\mathrm{H}_{2}+\mathrm{O}_{2}\)
4 \({\rm{2Ca(OH}}{{\rm{)}}_{\rm{2}}}{\rm{ + 2C}}{{\rm{l}}_{\rm{2}}} \to {\rm{Ca(OCl}}{{\rm{)}}_{\rm{2}}}{\rm{ + CaC}}{{\rm{l}}_{\rm{2}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
CHXI11:THE P-BLOCK ELEMENTS

316346 The Bleaching action of the Bleaching powder is due to liberation of

1 Nascent chlorine
2 Nascent oxygen
3 Nascent hydrogen
4 Atomic hydrogen
CHXI11:THE P-BLOCK ELEMENTS

316347 Identify \({\text{B}}\) in the given reaction .
\(\mathrm{Ca}(\mathrm{OH})_{2} \xrightarrow{\mathrm{Cl}_{2},-\mathrm{H}_{2} \mathrm{O}} \mathrm{A}\)
\(\xrightarrow{\text { Auto Oxidation }} \mathrm{CaCl}_{2}+\mathrm{B}\)

1 \(\mathrm{CaOCl}_{2}\)
2 \(\mathrm{Ca}\left(\mathrm{ClO}_{3}\right)_{2}\)
3 \(\mathrm{Ca}(\mathrm{OH})_{2}\)
4 \(\mathrm{Ca}\left(\mathrm{ClO}_{2}\right)_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316348 \(\underset{\text { (Excess) }}{8 \mathrm{NH}_{3}}+3 \mathrm{Cl}_{2} \rightarrow \mathrm{X}\)
\(\mathrm{NH}_{3}+\underset{\text { (Excess) }}{3 \mathrm{Cl}_{2}} \rightarrow \mathrm{Y}\)
What are \(\mathrm{X}\) and \(\mathrm{Y}\) in the above reactions?

1 \(\mathrm{X}=6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2} ; \mathrm{Y}=\mathrm{NCl}_{3}+3 \mathrm{HCl}\)
2 \(\mathrm{X}=\mathrm{NCl}_{3}+3 \mathrm{HCl} ; \mathrm{Y}=6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2}\)
3 \(\mathrm{X}=\mathrm{NCl}_{3}+\mathrm{N}_{2} ; \mathrm{Y}=6 \mathrm{NH}_{4} \mathrm{Cl}+3 \mathrm{HCl}\)
4 \(\mathrm{X}=6 \mathrm{NH}_{4} \mathrm{Cl}+3 \mathrm{HCl} ; \mathrm{Y}=\mathrm{NCl}_{3}+\mathrm{N}_{2}\)
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CHXI11:THE P-BLOCK ELEMENTS

316344 Which has maximum \(\mathrm{pH}\) in aqueous solution?

1 \(\mathrm{NaClO}\)
2 \(\mathrm{NaClO}_{2}\)
3 \(\mathrm{NaClO}_{3}\)
4 \(\mathrm{NaClO}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316345 Select wrong chemical reaction among the following:

1 \(\mathrm{MnO}_{2}+4 \mathrm{HCl} \rightarrow \mathrm{MnCl}_{2}+\mathrm{Cl}_{2}+2 \mathrm{H}_{2} \mathrm{O}\)
2 \(8 \mathrm{NH}_{3}+3 \mathrm{Cl}_{2} \rightarrow 6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2}\)
3 \(2 \mathrm{NaOH}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{NaCl}+\mathrm{H}_{2}+\mathrm{O}_{2}\)
4 \({\rm{2Ca(OH}}{{\rm{)}}_{\rm{2}}}{\rm{ + 2C}}{{\rm{l}}_{\rm{2}}} \to {\rm{Ca(OCl}}{{\rm{)}}_{\rm{2}}}{\rm{ + CaC}}{{\rm{l}}_{\rm{2}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
CHXI11:THE P-BLOCK ELEMENTS

316346 The Bleaching action of the Bleaching powder is due to liberation of

1 Nascent chlorine
2 Nascent oxygen
3 Nascent hydrogen
4 Atomic hydrogen
CHXI11:THE P-BLOCK ELEMENTS

316347 Identify \({\text{B}}\) in the given reaction .
\(\mathrm{Ca}(\mathrm{OH})_{2} \xrightarrow{\mathrm{Cl}_{2},-\mathrm{H}_{2} \mathrm{O}} \mathrm{A}\)
\(\xrightarrow{\text { Auto Oxidation }} \mathrm{CaCl}_{2}+\mathrm{B}\)

1 \(\mathrm{CaOCl}_{2}\)
2 \(\mathrm{Ca}\left(\mathrm{ClO}_{3}\right)_{2}\)
3 \(\mathrm{Ca}(\mathrm{OH})_{2}\)
4 \(\mathrm{Ca}\left(\mathrm{ClO}_{2}\right)_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316348 \(\underset{\text { (Excess) }}{8 \mathrm{NH}_{3}}+3 \mathrm{Cl}_{2} \rightarrow \mathrm{X}\)
\(\mathrm{NH}_{3}+\underset{\text { (Excess) }}{3 \mathrm{Cl}_{2}} \rightarrow \mathrm{Y}\)
What are \(\mathrm{X}\) and \(\mathrm{Y}\) in the above reactions?

1 \(\mathrm{X}=6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2} ; \mathrm{Y}=\mathrm{NCl}_{3}+3 \mathrm{HCl}\)
2 \(\mathrm{X}=\mathrm{NCl}_{3}+3 \mathrm{HCl} ; \mathrm{Y}=6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2}\)
3 \(\mathrm{X}=\mathrm{NCl}_{3}+\mathrm{N}_{2} ; \mathrm{Y}=6 \mathrm{NH}_{4} \mathrm{Cl}+3 \mathrm{HCl}\)
4 \(\mathrm{X}=6 \mathrm{NH}_{4} \mathrm{Cl}+3 \mathrm{HCl} ; \mathrm{Y}=\mathrm{NCl}_{3}+\mathrm{N}_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316344 Which has maximum \(\mathrm{pH}\) in aqueous solution?

1 \(\mathrm{NaClO}\)
2 \(\mathrm{NaClO}_{2}\)
3 \(\mathrm{NaClO}_{3}\)
4 \(\mathrm{NaClO}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316345 Select wrong chemical reaction among the following:

1 \(\mathrm{MnO}_{2}+4 \mathrm{HCl} \rightarrow \mathrm{MnCl}_{2}+\mathrm{Cl}_{2}+2 \mathrm{H}_{2} \mathrm{O}\)
2 \(8 \mathrm{NH}_{3}+3 \mathrm{Cl}_{2} \rightarrow 6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2}\)
3 \(2 \mathrm{NaOH}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{NaCl}+\mathrm{H}_{2}+\mathrm{O}_{2}\)
4 \({\rm{2Ca(OH}}{{\rm{)}}_{\rm{2}}}{\rm{ + 2C}}{{\rm{l}}_{\rm{2}}} \to {\rm{Ca(OCl}}{{\rm{)}}_{\rm{2}}}{\rm{ + CaC}}{{\rm{l}}_{\rm{2}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
CHXI11:THE P-BLOCK ELEMENTS

316346 The Bleaching action of the Bleaching powder is due to liberation of

1 Nascent chlorine
2 Nascent oxygen
3 Nascent hydrogen
4 Atomic hydrogen
CHXI11:THE P-BLOCK ELEMENTS

316347 Identify \({\text{B}}\) in the given reaction .
\(\mathrm{Ca}(\mathrm{OH})_{2} \xrightarrow{\mathrm{Cl}_{2},-\mathrm{H}_{2} \mathrm{O}} \mathrm{A}\)
\(\xrightarrow{\text { Auto Oxidation }} \mathrm{CaCl}_{2}+\mathrm{B}\)

1 \(\mathrm{CaOCl}_{2}\)
2 \(\mathrm{Ca}\left(\mathrm{ClO}_{3}\right)_{2}\)
3 \(\mathrm{Ca}(\mathrm{OH})_{2}\)
4 \(\mathrm{Ca}\left(\mathrm{ClO}_{2}\right)_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316348 \(\underset{\text { (Excess) }}{8 \mathrm{NH}_{3}}+3 \mathrm{Cl}_{2} \rightarrow \mathrm{X}\)
\(\mathrm{NH}_{3}+\underset{\text { (Excess) }}{3 \mathrm{Cl}_{2}} \rightarrow \mathrm{Y}\)
What are \(\mathrm{X}\) and \(\mathrm{Y}\) in the above reactions?

1 \(\mathrm{X}=6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2} ; \mathrm{Y}=\mathrm{NCl}_{3}+3 \mathrm{HCl}\)
2 \(\mathrm{X}=\mathrm{NCl}_{3}+3 \mathrm{HCl} ; \mathrm{Y}=6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2}\)
3 \(\mathrm{X}=\mathrm{NCl}_{3}+\mathrm{N}_{2} ; \mathrm{Y}=6 \mathrm{NH}_{4} \mathrm{Cl}+3 \mathrm{HCl}\)
4 \(\mathrm{X}=6 \mathrm{NH}_{4} \mathrm{Cl}+3 \mathrm{HCl} ; \mathrm{Y}=\mathrm{NCl}_{3}+\mathrm{N}_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316344 Which has maximum \(\mathrm{pH}\) in aqueous solution?

1 \(\mathrm{NaClO}\)
2 \(\mathrm{NaClO}_{2}\)
3 \(\mathrm{NaClO}_{3}\)
4 \(\mathrm{NaClO}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316345 Select wrong chemical reaction among the following:

1 \(\mathrm{MnO}_{2}+4 \mathrm{HCl} \rightarrow \mathrm{MnCl}_{2}+\mathrm{Cl}_{2}+2 \mathrm{H}_{2} \mathrm{O}\)
2 \(8 \mathrm{NH}_{3}+3 \mathrm{Cl}_{2} \rightarrow 6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2}\)
3 \(2 \mathrm{NaOH}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{NaCl}+\mathrm{H}_{2}+\mathrm{O}_{2}\)
4 \({\rm{2Ca(OH}}{{\rm{)}}_{\rm{2}}}{\rm{ + 2C}}{{\rm{l}}_{\rm{2}}} \to {\rm{Ca(OCl}}{{\rm{)}}_{\rm{2}}}{\rm{ + CaC}}{{\rm{l}}_{\rm{2}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
CHXI11:THE P-BLOCK ELEMENTS

316346 The Bleaching action of the Bleaching powder is due to liberation of

1 Nascent chlorine
2 Nascent oxygen
3 Nascent hydrogen
4 Atomic hydrogen
CHXI11:THE P-BLOCK ELEMENTS

316347 Identify \({\text{B}}\) in the given reaction .
\(\mathrm{Ca}(\mathrm{OH})_{2} \xrightarrow{\mathrm{Cl}_{2},-\mathrm{H}_{2} \mathrm{O}} \mathrm{A}\)
\(\xrightarrow{\text { Auto Oxidation }} \mathrm{CaCl}_{2}+\mathrm{B}\)

1 \(\mathrm{CaOCl}_{2}\)
2 \(\mathrm{Ca}\left(\mathrm{ClO}_{3}\right)_{2}\)
3 \(\mathrm{Ca}(\mathrm{OH})_{2}\)
4 \(\mathrm{Ca}\left(\mathrm{ClO}_{2}\right)_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316348 \(\underset{\text { (Excess) }}{8 \mathrm{NH}_{3}}+3 \mathrm{Cl}_{2} \rightarrow \mathrm{X}\)
\(\mathrm{NH}_{3}+\underset{\text { (Excess) }}{3 \mathrm{Cl}_{2}} \rightarrow \mathrm{Y}\)
What are \(\mathrm{X}\) and \(\mathrm{Y}\) in the above reactions?

1 \(\mathrm{X}=6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2} ; \mathrm{Y}=\mathrm{NCl}_{3}+3 \mathrm{HCl}\)
2 \(\mathrm{X}=\mathrm{NCl}_{3}+3 \mathrm{HCl} ; \mathrm{Y}=6 \mathrm{NH}_{4} \mathrm{Cl}+\mathrm{N}_{2}\)
3 \(\mathrm{X}=\mathrm{NCl}_{3}+\mathrm{N}_{2} ; \mathrm{Y}=6 \mathrm{NH}_{4} \mathrm{Cl}+3 \mathrm{HCl}\)
4 \(\mathrm{X}=6 \mathrm{NH}_{4} \mathrm{Cl}+3 \mathrm{HCl} ; \mathrm{Y}=\mathrm{NCl}_{3}+\mathrm{N}_{2}\)