263976
The best oxidising agent is for oxidation of : \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO} \text { to } \mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{COOH}\)
1 Baeyer's reagent
2 Tollens' reagent
3 Schiff's reagent
4 PCC
Explanation:
b Tollen's reagent oxidises only - CHO to - \(\mathrm{COO}^{-}\) group
**NCERT-XII-239**
TEST SERIES (CHEMISTRY FST)
263977
Oxidation states of nitrogen in \(\mathrm{N}_2 \mathrm{O}_3, \mathrm{HN}_3\) and HCN res pectively are
1 +2 ， 3 and -3
2 \(+13,-1 / 3\) and -3
3 \(-3,+3\) and -3
4 \(+3,+1 / 3\) and +3
Explanation:
b In \(\mathrm{HN}_3\), oxidation number of N is \(-1 / 3\) In HCN it is -3 .
**NCERT-XI-II**
TEST SERIES (CHEMISTRY FST)
263978
Propene and propyne can be distinguished by
1 Bromine water
2 Baeyer's reagent
3 Tollen's reagent
4 Hydrogenation
Explanation:
c \[ \mathrm{CH}_3-\mathrm{C} \equiv \mathrm{CH} \xrightarrow{\left[\mathrm{Ag}_2\left(\mathrm{NH}_3\right)_2\right]^{-}} \quad \underset{\text { white ppt }}{\mathrm{CH}_3-\mathrm{C} \equiv \overline{\mathrm{C}} \mathrm{Ag}^{+}} \] white ppt
TEST SERIES (CHEMISTRY FST)
263979
\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COO}^{-} \mathrm{Na}++\mathrm{NaOH} \xrightarrow{\mathrm{CaO}} \mathrm{X}\) (Major), X is:
1 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_3\)
2 \(\mathrm{CH}_3 \mathrm{CH}_3\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2-\mathrm{OH}\)
4 \(\mathrm{CH}_2=\mathrm{CH}_2\)
Explanation:
b \[ \mathrm{R}-\mathrm{COONa}+\mathrm{NaOH} \xrightarrow{\mathrm{CaO}} \mathrm{RH}+\mathrm{Na}_2 \mathrm{CO}_3 \]
263976
The best oxidising agent is for oxidation of : \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO} \text { to } \mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{COOH}\)
1 Baeyer's reagent
2 Tollens' reagent
3 Schiff's reagent
4 PCC
Explanation:
b Tollen's reagent oxidises only - CHO to - \(\mathrm{COO}^{-}\) group
**NCERT-XII-239**
TEST SERIES (CHEMISTRY FST)
263977
Oxidation states of nitrogen in \(\mathrm{N}_2 \mathrm{O}_3, \mathrm{HN}_3\) and HCN res pectively are
1 +2 ， 3 and -3
2 \(+13,-1 / 3\) and -3
3 \(-3,+3\) and -3
4 \(+3,+1 / 3\) and +3
Explanation:
b In \(\mathrm{HN}_3\), oxidation number of N is \(-1 / 3\) In HCN it is -3 .
**NCERT-XI-II**
TEST SERIES (CHEMISTRY FST)
263978
Propene and propyne can be distinguished by
1 Bromine water
2 Baeyer's reagent
3 Tollen's reagent
4 Hydrogenation
Explanation:
c \[ \mathrm{CH}_3-\mathrm{C} \equiv \mathrm{CH} \xrightarrow{\left[\mathrm{Ag}_2\left(\mathrm{NH}_3\right)_2\right]^{-}} \quad \underset{\text { white ppt }}{\mathrm{CH}_3-\mathrm{C} \equiv \overline{\mathrm{C}} \mathrm{Ag}^{+}} \] white ppt
TEST SERIES (CHEMISTRY FST)
263979
\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COO}^{-} \mathrm{Na}++\mathrm{NaOH} \xrightarrow{\mathrm{CaO}} \mathrm{X}\) (Major), X is:
1 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_3\)
2 \(\mathrm{CH}_3 \mathrm{CH}_3\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2-\mathrm{OH}\)
4 \(\mathrm{CH}_2=\mathrm{CH}_2\)
Explanation:
b \[ \mathrm{R}-\mathrm{COONa}+\mathrm{NaOH} \xrightarrow{\mathrm{CaO}} \mathrm{RH}+\mathrm{Na}_2 \mathrm{CO}_3 \]
263976
The best oxidising agent is for oxidation of : \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO} \text { to } \mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{COOH}\)
1 Baeyer's reagent
2 Tollens' reagent
3 Schiff's reagent
4 PCC
Explanation:
b Tollen's reagent oxidises only - CHO to - \(\mathrm{COO}^{-}\) group
**NCERT-XII-239**
TEST SERIES (CHEMISTRY FST)
263977
Oxidation states of nitrogen in \(\mathrm{N}_2 \mathrm{O}_3, \mathrm{HN}_3\) and HCN res pectively are
1 +2 ， 3 and -3
2 \(+13,-1 / 3\) and -3
3 \(-3,+3\) and -3
4 \(+3,+1 / 3\) and +3
Explanation:
b In \(\mathrm{HN}_3\), oxidation number of N is \(-1 / 3\) In HCN it is -3 .
**NCERT-XI-II**
TEST SERIES (CHEMISTRY FST)
263978
Propene and propyne can be distinguished by
1 Bromine water
2 Baeyer's reagent
3 Tollen's reagent
4 Hydrogenation
Explanation:
c \[ \mathrm{CH}_3-\mathrm{C} \equiv \mathrm{CH} \xrightarrow{\left[\mathrm{Ag}_2\left(\mathrm{NH}_3\right)_2\right]^{-}} \quad \underset{\text { white ppt }}{\mathrm{CH}_3-\mathrm{C} \equiv \overline{\mathrm{C}} \mathrm{Ag}^{+}} \] white ppt
TEST SERIES (CHEMISTRY FST)
263979
\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COO}^{-} \mathrm{Na}++\mathrm{NaOH} \xrightarrow{\mathrm{CaO}} \mathrm{X}\) (Major), X is:
1 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_3\)
2 \(\mathrm{CH}_3 \mathrm{CH}_3\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2-\mathrm{OH}\)
4 \(\mathrm{CH}_2=\mathrm{CH}_2\)
Explanation:
b \[ \mathrm{R}-\mathrm{COONa}+\mathrm{NaOH} \xrightarrow{\mathrm{CaO}} \mathrm{RH}+\mathrm{Na}_2 \mathrm{CO}_3 \]
263976
The best oxidising agent is for oxidation of : \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO} \text { to } \mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{COOH}\)
1 Baeyer's reagent
2 Tollens' reagent
3 Schiff's reagent
4 PCC
Explanation:
b Tollen's reagent oxidises only - CHO to - \(\mathrm{COO}^{-}\) group
**NCERT-XII-239**
TEST SERIES (CHEMISTRY FST)
263977
Oxidation states of nitrogen in \(\mathrm{N}_2 \mathrm{O}_3, \mathrm{HN}_3\) and HCN res pectively are
1 +2 ， 3 and -3
2 \(+13,-1 / 3\) and -3
3 \(-3,+3\) and -3
4 \(+3,+1 / 3\) and +3
Explanation:
b In \(\mathrm{HN}_3\), oxidation number of N is \(-1 / 3\) In HCN it is -3 .
**NCERT-XI-II**
TEST SERIES (CHEMISTRY FST)
263978
Propene and propyne can be distinguished by
1 Bromine water
2 Baeyer's reagent
3 Tollen's reagent
4 Hydrogenation
Explanation:
c \[ \mathrm{CH}_3-\mathrm{C} \equiv \mathrm{CH} \xrightarrow{\left[\mathrm{Ag}_2\left(\mathrm{NH}_3\right)_2\right]^{-}} \quad \underset{\text { white ppt }}{\mathrm{CH}_3-\mathrm{C} \equiv \overline{\mathrm{C}} \mathrm{Ag}^{+}} \] white ppt
TEST SERIES (CHEMISTRY FST)
263979
\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COO}^{-} \mathrm{Na}++\mathrm{NaOH} \xrightarrow{\mathrm{CaO}} \mathrm{X}\) (Major), X is:
1 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_3\)
2 \(\mathrm{CH}_3 \mathrm{CH}_3\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2-\mathrm{OH}\)
4 \(\mathrm{CH}_2=\mathrm{CH}_2\)
Explanation:
b \[ \mathrm{R}-\mathrm{COONa}+\mathrm{NaOH} \xrightarrow{\mathrm{CaO}} \mathrm{RH}+\mathrm{Na}_2 \mathrm{CO}_3 \]
