PRACTICAL CHEMISTRY
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PRACTICAL CHEMISTRY

37286 When a mixture of solid \(NaCl,\) solid \({K_2}C{r_2}{O_7}\) is heated with conc. \({H_2}S{O_4},\) orange red vapours are obtained of the compound

1 Chromous chloride
2 Chromyl chloride
3 Chromic chloride
4 Chromic sulphate
PRACTICAL CHEMISTRY

37287 Chromyl chloride vapours are dissolved in \(NaOH\) and acetic acid and lead acetate solution is added, then

1 The solution will remain colourless
2 The solution will become dark green
3 A yellow solution will be obtained
4 A yellow precipitate will be obtained
PRACTICAL CHEMISTRY

37288 Which of the following gives black precipitate when \({H_2}S\) gas is passed through its solution

1 Acidic \(AgN{O_3}\)
2 \(Mg{(N{O_3})_2}\)
3 Ammonical \(BaC{l_2}\)
4 Copper nitrate
PRACTICAL CHEMISTRY

37289 A salt gives violet vapours when treated with conc. \({H_2}S{O_4}\). It contains

1 \(C{l^ - }\)
2 \({I^ - }\)
3 \(B{r^ - }\)
4 \(NO_3^ - \)
PRACTICAL CHEMISTRY

37290 When \(C{l_2}\) water is added to a salt solution containing chloroform, chloroform layer turns violet. Salt contains

1 \(C{l^ - }\)
2 \({I^ - }\)
3 \(NO_3^ - \)
4 \({S^{2 - }}\)
NEET DIGITAL LIBRARY
PRACTICAL CHEMISTRY

37286 When a mixture of solid \(NaCl,\) solid \({K_2}C{r_2}{O_7}\) is heated with conc. \({H_2}S{O_4},\) orange red vapours are obtained of the compound

1 Chromous chloride
2 Chromyl chloride
3 Chromic chloride
4 Chromic sulphate
PRACTICAL CHEMISTRY

37287 Chromyl chloride vapours are dissolved in \(NaOH\) and acetic acid and lead acetate solution is added, then

1 The solution will remain colourless
2 The solution will become dark green
3 A yellow solution will be obtained
4 A yellow precipitate will be obtained
PRACTICAL CHEMISTRY

37288 Which of the following gives black precipitate when \({H_2}S\) gas is passed through its solution

1 Acidic \(AgN{O_3}\)
2 \(Mg{(N{O_3})_2}\)
3 Ammonical \(BaC{l_2}\)
4 Copper nitrate
PRACTICAL CHEMISTRY

37289 A salt gives violet vapours when treated with conc. \({H_2}S{O_4}\). It contains

1 \(C{l^ - }\)
2 \({I^ - }\)
3 \(B{r^ - }\)
4 \(NO_3^ - \)
PRACTICAL CHEMISTRY

37290 When \(C{l_2}\) water is added to a salt solution containing chloroform, chloroform layer turns violet. Salt contains

1 \(C{l^ - }\)
2 \({I^ - }\)
3 \(NO_3^ - \)
4 \({S^{2 - }}\)
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PRACTICAL CHEMISTRY

37286 When a mixture of solid \(NaCl,\) solid \({K_2}C{r_2}{O_7}\) is heated with conc. \({H_2}S{O_4},\) orange red vapours are obtained of the compound

1 Chromous chloride
2 Chromyl chloride
3 Chromic chloride
4 Chromic sulphate
PRACTICAL CHEMISTRY

37287 Chromyl chloride vapours are dissolved in \(NaOH\) and acetic acid and lead acetate solution is added, then

1 The solution will remain colourless
2 The solution will become dark green
3 A yellow solution will be obtained
4 A yellow precipitate will be obtained
PRACTICAL CHEMISTRY

37288 Which of the following gives black precipitate when \({H_2}S\) gas is passed through its solution

1 Acidic \(AgN{O_3}\)
2 \(Mg{(N{O_3})_2}\)
3 Ammonical \(BaC{l_2}\)
4 Copper nitrate
PRACTICAL CHEMISTRY

37289 A salt gives violet vapours when treated with conc. \({H_2}S{O_4}\). It contains

1 \(C{l^ - }\)
2 \({I^ - }\)
3 \(B{r^ - }\)
4 \(NO_3^ - \)
PRACTICAL CHEMISTRY

37290 When \(C{l_2}\) water is added to a salt solution containing chloroform, chloroform layer turns violet. Salt contains

1 \(C{l^ - }\)
2 \({I^ - }\)
3 \(NO_3^ - \)
4 \({S^{2 - }}\)
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PRACTICAL CHEMISTRY

37286 When a mixture of solid \(NaCl,\) solid \({K_2}C{r_2}{O_7}\) is heated with conc. \({H_2}S{O_4},\) orange red vapours are obtained of the compound

1 Chromous chloride
2 Chromyl chloride
3 Chromic chloride
4 Chromic sulphate
PRACTICAL CHEMISTRY

37287 Chromyl chloride vapours are dissolved in \(NaOH\) and acetic acid and lead acetate solution is added, then

1 The solution will remain colourless
2 The solution will become dark green
3 A yellow solution will be obtained
4 A yellow precipitate will be obtained
PRACTICAL CHEMISTRY

37288 Which of the following gives black precipitate when \({H_2}S\) gas is passed through its solution

1 Acidic \(AgN{O_3}\)
2 \(Mg{(N{O_3})_2}\)
3 Ammonical \(BaC{l_2}\)
4 Copper nitrate
PRACTICAL CHEMISTRY

37289 A salt gives violet vapours when treated with conc. \({H_2}S{O_4}\). It contains

1 \(C{l^ - }\)
2 \({I^ - }\)
3 \(B{r^ - }\)
4 \(NO_3^ - \)
PRACTICAL CHEMISTRY

37290 When \(C{l_2}\) water is added to a salt solution containing chloroform, chloroform layer turns violet. Salt contains

1 \(C{l^ - }\)
2 \({I^ - }\)
3 \(NO_3^ - \)
4 \({S^{2 - }}\)
NEET DIGITAL LIBRARY
PRACTICAL CHEMISTRY

37286 When a mixture of solid \(NaCl,\) solid \({K_2}C{r_2}{O_7}\) is heated with conc. \({H_2}S{O_4},\) orange red vapours are obtained of the compound

1 Chromous chloride
2 Chromyl chloride
3 Chromic chloride
4 Chromic sulphate
PRACTICAL CHEMISTRY

37287 Chromyl chloride vapours are dissolved in \(NaOH\) and acetic acid and lead acetate solution is added, then

1 The solution will remain colourless
2 The solution will become dark green
3 A yellow solution will be obtained
4 A yellow precipitate will be obtained
PRACTICAL CHEMISTRY

37288 Which of the following gives black precipitate when \({H_2}S\) gas is passed through its solution

1 Acidic \(AgN{O_3}\)
2 \(Mg{(N{O_3})_2}\)
3 Ammonical \(BaC{l_2}\)
4 Copper nitrate
PRACTICAL CHEMISTRY

37289 A salt gives violet vapours when treated with conc. \({H_2}S{O_4}\). It contains

1 \(C{l^ - }\)
2 \({I^ - }\)
3 \(B{r^ - }\)
4 \(NO_3^ - \)
PRACTICAL CHEMISTRY

37290 When \(C{l_2}\) water is added to a salt solution containing chloroform, chloroform layer turns violet. Salt contains

1 \(C{l^ - }\)
2 \({I^ - }\)
3 \(NO_3^ - \)
4 \({S^{2 - }}\)