03. ELECTROCHEMISTRY[KARNATAKA CET EXCLUSIVE]
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CHEMISTRY(KCET)

285375 5.5 mg of nitrogen gas dissolves in 180 g of water at 273 K and one atm pressure due to nitrogen gas. The mole fraction of nitrogen in 180 g of water at 5 atm nitrogen pressure is approximately

1 \(1 \times 10^{-6}\)
2 \(1 \times 10^{-5}\)
3 \(1 \times 10^{-3}\)
4 \(1 \times 10^{-4}\)
Karnataka CET 2014
CHEMISTRY(KCET)

285376 A solution of 1.25 g of\(P\) in 50 g of water lowers freezing point by \({ }^{-} .3^{\circ} \mathrm{C}\). Molar mass of P is 94 . \(\mathrm{K}_{f(\text { water })}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\). The degree of association of P in water is

1 \(80 \%\)
2 \(60 \%\)
3 \(65 \%\)
4 \(75 \%\)
Karnataka CET 2014
CHEMISTRY(KCET)

285377 For an ideal binary liquid mixture

1 \(\Delta \mathrm{S}_{\text {(mix) }}=0 ; \Delta \mathrm{G}_{\text {(mix) }}=0\)
2 \(\Delta \mathrm{H}_{\text {(mix) }}=0 ; \Delta \mathrm{S}_{\text {(mix) }}<0\)
3 \(\Delta \mathrm{V}_{\text {(mix) }}=0 ; \Delta \mathrm{G}_{\text {(mix) }}>0\)
4 \(\Delta \mathrm{S}_{\text {(mix })}>0 ; \Delta \mathrm{G}_{\text {(mix })}<0\)
Karnataka CET 2014
CHEMISTRY(KCET)

285378 How many Coulombs are required to oxidise 0.1 mole of\(\mathrm{H}_2 \mathrm{O}\) to oxygen?

1 \(1.93 \times 10^5 \mathrm{C}\)
2 \(1.93 \times 10^4 \mathrm{C}\)
3 \(3.86 \times 10^4 \mathrm{C}\)
4 \(9.65 \times 10^3 \mathrm{C}\)
Karnataka CET 2024
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CHEMISTRY(KCET)

285375 5.5 mg of nitrogen gas dissolves in 180 g of water at 273 K and one atm pressure due to nitrogen gas. The mole fraction of nitrogen in 180 g of water at 5 atm nitrogen pressure is approximately

1 \(1 \times 10^{-6}\)
2 \(1 \times 10^{-5}\)
3 \(1 \times 10^{-3}\)
4 \(1 \times 10^{-4}\)
Karnataka CET 2014
CHEMISTRY(KCET)

285376 A solution of 1.25 g of\(P\) in 50 g of water lowers freezing point by \({ }^{-} .3^{\circ} \mathrm{C}\). Molar mass of P is 94 . \(\mathrm{K}_{f(\text { water })}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\). The degree of association of P in water is

1 \(80 \%\)
2 \(60 \%\)
3 \(65 \%\)
4 \(75 \%\)
Karnataka CET 2014
CHEMISTRY(KCET)

285377 For an ideal binary liquid mixture

1 \(\Delta \mathrm{S}_{\text {(mix) }}=0 ; \Delta \mathrm{G}_{\text {(mix) }}=0\)
2 \(\Delta \mathrm{H}_{\text {(mix) }}=0 ; \Delta \mathrm{S}_{\text {(mix) }}<0\)
3 \(\Delta \mathrm{V}_{\text {(mix) }}=0 ; \Delta \mathrm{G}_{\text {(mix) }}>0\)
4 \(\Delta \mathrm{S}_{\text {(mix })}>0 ; \Delta \mathrm{G}_{\text {(mix })}<0\)
Karnataka CET 2014
CHEMISTRY(KCET)

285378 How many Coulombs are required to oxidise 0.1 mole of\(\mathrm{H}_2 \mathrm{O}\) to oxygen?

1 \(1.93 \times 10^5 \mathrm{C}\)
2 \(1.93 \times 10^4 \mathrm{C}\)
3 \(3.86 \times 10^4 \mathrm{C}\)
4 \(9.65 \times 10^3 \mathrm{C}\)
Karnataka CET 2024
NEET DIGITAL LIBRARY
CHEMISTRY(KCET)

285375 5.5 mg of nitrogen gas dissolves in 180 g of water at 273 K and one atm pressure due to nitrogen gas. The mole fraction of nitrogen in 180 g of water at 5 atm nitrogen pressure is approximately

1 \(1 \times 10^{-6}\)
2 \(1 \times 10^{-5}\)
3 \(1 \times 10^{-3}\)
4 \(1 \times 10^{-4}\)
Karnataka CET 2014
CHEMISTRY(KCET)

285376 A solution of 1.25 g of\(P\) in 50 g of water lowers freezing point by \({ }^{-} .3^{\circ} \mathrm{C}\). Molar mass of P is 94 . \(\mathrm{K}_{f(\text { water })}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\). The degree of association of P in water is

1 \(80 \%\)
2 \(60 \%\)
3 \(65 \%\)
4 \(75 \%\)
Karnataka CET 2014
CHEMISTRY(KCET)

285377 For an ideal binary liquid mixture

1 \(\Delta \mathrm{S}_{\text {(mix) }}=0 ; \Delta \mathrm{G}_{\text {(mix) }}=0\)
2 \(\Delta \mathrm{H}_{\text {(mix) }}=0 ; \Delta \mathrm{S}_{\text {(mix) }}<0\)
3 \(\Delta \mathrm{V}_{\text {(mix) }}=0 ; \Delta \mathrm{G}_{\text {(mix) }}>0\)
4 \(\Delta \mathrm{S}_{\text {(mix })}>0 ; \Delta \mathrm{G}_{\text {(mix })}<0\)
Karnataka CET 2014
CHEMISTRY(KCET)

285378 How many Coulombs are required to oxidise 0.1 mole of\(\mathrm{H}_2 \mathrm{O}\) to oxygen?

1 \(1.93 \times 10^5 \mathrm{C}\)
2 \(1.93 \times 10^4 \mathrm{C}\)
3 \(3.86 \times 10^4 \mathrm{C}\)
4 \(9.65 \times 10^3 \mathrm{C}\)
Karnataka CET 2024
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CHEMISTRY(KCET)

285375 5.5 mg of nitrogen gas dissolves in 180 g of water at 273 K and one atm pressure due to nitrogen gas. The mole fraction of nitrogen in 180 g of water at 5 atm nitrogen pressure is approximately

1 \(1 \times 10^{-6}\)
2 \(1 \times 10^{-5}\)
3 \(1 \times 10^{-3}\)
4 \(1 \times 10^{-4}\)
Karnataka CET 2014
CHEMISTRY(KCET)

285376 A solution of 1.25 g of\(P\) in 50 g of water lowers freezing point by \({ }^{-} .3^{\circ} \mathrm{C}\). Molar mass of P is 94 . \(\mathrm{K}_{f(\text { water })}=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\). The degree of association of P in water is

1 \(80 \%\)
2 \(60 \%\)
3 \(65 \%\)
4 \(75 \%\)
Karnataka CET 2014
CHEMISTRY(KCET)

285377 For an ideal binary liquid mixture

1 \(\Delta \mathrm{S}_{\text {(mix) }}=0 ; \Delta \mathrm{G}_{\text {(mix) }}=0\)
2 \(\Delta \mathrm{H}_{\text {(mix) }}=0 ; \Delta \mathrm{S}_{\text {(mix) }}<0\)
3 \(\Delta \mathrm{V}_{\text {(mix) }}=0 ; \Delta \mathrm{G}_{\text {(mix) }}>0\)
4 \(\Delta \mathrm{S}_{\text {(mix })}>0 ; \Delta \mathrm{G}_{\text {(mix })}<0\)
Karnataka CET 2014
CHEMISTRY(KCET)

285378 How many Coulombs are required to oxidise 0.1 mole of\(\mathrm{H}_2 \mathrm{O}\) to oxygen?

1 \(1.93 \times 10^5 \mathrm{C}\)
2 \(1.93 \times 10^4 \mathrm{C}\)
3 \(3.86 \times 10^4 \mathrm{C}\)
4 \(9.65 \times 10^3 \mathrm{C}\)
Karnataka CET 2024
For More Updates join with Us