Classification of Colloids
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CHXII05:SURFACE CHEMISTRY

320760 Position of non polar and polar part in micelles:

1 Polar at outer surface but non polar at inner surface
2 Polar at inner surface but non polar at outer surface
3 Distributed over all the surface
4 Are present in the surface only
CHXII05:SURFACE CHEMISTRY

320761 Solutions of soaps and detergents exhibit colloidal properties at

1 Low concentrations
2 Higher concentrations
3 Very low concentrations
4 Medium concentrations.
CHXII05:SURFACE CHEMISTRY

320762 Under ambient conditions, which among the following surfactants will form micells in aqueous solution at lowest molar concentration?

1 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{13}-\mathrm{OSO}_{3}^{-} \mathrm{Na}^{+}\)
2 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{15} \stackrel{\oplus}{\mathrm{N}}\left(\mathrm{CH}_{3}\right)_{3} \mathrm{Br}\)
3 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{8}-\mathrm{COO}^{-} \mathrm{Na}^{+}\)
4 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{11} \stackrel{\oplus}{\mathrm{N}}\left(\mathrm{CH}_{3}\right)_{3} \mathrm{Br}^{-}\)
JEE - 2015
CHXII05:SURFACE CHEMISTRY

320763 Which among the following detergents is nonionic in character?

1 Sodium lauryl sulphate
2 Pentaerythrityl stearate
3 Cetyl trimethyl ammonium chloride
4 Sodium n-dodecyl benzene sulphonate
MHTCET - 2015
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CHXII05:SURFACE CHEMISTRY

320760 Position of non polar and polar part in micelles:

1 Polar at outer surface but non polar at inner surface
2 Polar at inner surface but non polar at outer surface
3 Distributed over all the surface
4 Are present in the surface only
CHXII05:SURFACE CHEMISTRY

320761 Solutions of soaps and detergents exhibit colloidal properties at

1 Low concentrations
2 Higher concentrations
3 Very low concentrations
4 Medium concentrations.
CHXII05:SURFACE CHEMISTRY

320762 Under ambient conditions, which among the following surfactants will form micells in aqueous solution at lowest molar concentration?

1 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{13}-\mathrm{OSO}_{3}^{-} \mathrm{Na}^{+}\)
2 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{15} \stackrel{\oplus}{\mathrm{N}}\left(\mathrm{CH}_{3}\right)_{3} \mathrm{Br}\)
3 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{8}-\mathrm{COO}^{-} \mathrm{Na}^{+}\)
4 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{11} \stackrel{\oplus}{\mathrm{N}}\left(\mathrm{CH}_{3}\right)_{3} \mathrm{Br}^{-}\)
JEE - 2015
CHXII05:SURFACE CHEMISTRY

320763 Which among the following detergents is nonionic in character?

1 Sodium lauryl sulphate
2 Pentaerythrityl stearate
3 Cetyl trimethyl ammonium chloride
4 Sodium n-dodecyl benzene sulphonate
MHTCET - 2015
Join With Us for More Updates
CHXII05:SURFACE CHEMISTRY

320760 Position of non polar and polar part in micelles:

1 Polar at outer surface but non polar at inner surface
2 Polar at inner surface but non polar at outer surface
3 Distributed over all the surface
4 Are present in the surface only
CHXII05:SURFACE CHEMISTRY

320761 Solutions of soaps and detergents exhibit colloidal properties at

1 Low concentrations
2 Higher concentrations
3 Very low concentrations
4 Medium concentrations.
CHXII05:SURFACE CHEMISTRY

320762 Under ambient conditions, which among the following surfactants will form micells in aqueous solution at lowest molar concentration?

1 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{13}-\mathrm{OSO}_{3}^{-} \mathrm{Na}^{+}\)
2 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{15} \stackrel{\oplus}{\mathrm{N}}\left(\mathrm{CH}_{3}\right)_{3} \mathrm{Br}\)
3 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{8}-\mathrm{COO}^{-} \mathrm{Na}^{+}\)
4 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{11} \stackrel{\oplus}{\mathrm{N}}\left(\mathrm{CH}_{3}\right)_{3} \mathrm{Br}^{-}\)
JEE - 2015
CHXII05:SURFACE CHEMISTRY

320763 Which among the following detergents is nonionic in character?

1 Sodium lauryl sulphate
2 Pentaerythrityl stearate
3 Cetyl trimethyl ammonium chloride
4 Sodium n-dodecyl benzene sulphonate
MHTCET - 2015
For More Updates join with Us
CHXII05:SURFACE CHEMISTRY

320760 Position of non polar and polar part in micelles:

1 Polar at outer surface but non polar at inner surface
2 Polar at inner surface but non polar at outer surface
3 Distributed over all the surface
4 Are present in the surface only
CHXII05:SURFACE CHEMISTRY

320761 Solutions of soaps and detergents exhibit colloidal properties at

1 Low concentrations
2 Higher concentrations
3 Very low concentrations
4 Medium concentrations.
CHXII05:SURFACE CHEMISTRY

320762 Under ambient conditions, which among the following surfactants will form micells in aqueous solution at lowest molar concentration?

1 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{13}-\mathrm{OSO}_{3}^{-} \mathrm{Na}^{+}\)
2 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{15} \stackrel{\oplus}{\mathrm{N}}\left(\mathrm{CH}_{3}\right)_{3} \mathrm{Br}\)
3 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{8}-\mathrm{COO}^{-} \mathrm{Na}^{+}\)
4 \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{11} \stackrel{\oplus}{\mathrm{N}}\left(\mathrm{CH}_{3}\right)_{3} \mathrm{Br}^{-}\)
JEE - 2015
CHXII05:SURFACE CHEMISTRY

320763 Which among the following detergents is nonionic in character?

1 Sodium lauryl sulphate
2 Pentaerythrityl stearate
3 Cetyl trimethyl ammonium chloride
4 Sodium n-dodecyl benzene sulphonate
MHTCET - 2015