NEET UG CHEMISTRY MCQ: SOLUTIONS

1 Easy

1 of 1

Application +4 | -1

The exact volumes of

1M\,NaOH

solution required to neutralise 50 mL of

1M\,{H_3}P{O_3}

solution and 100 ml of

2M\,{H_3}P{O_2}

solution, respectively, are

View answer and explanation

Correct option: C

100 mL and 200 mL

Option C (100 mL and 200 mL) is correct because it correctly calculates the volumes of 1M NaOH required to neutralize the given amounts of H3PO3 and H3PO2 solutions, considering their respective basicities.

More Questions from SOLUTIONS

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Consider the solution of ethanol. In it Assertion: Isotonic solutions don't show net phenomenon of osmosis.

Reason: Isotonic solutions have equal osmotic pressure at constant temperature. 0.2 molal aqueous solution of a monobasic acid is 60% ionised. If Kb for water is

0.52\,K\,kg\,mo{l^{ - 1}}

then the boiling point of the solution will be The vapour pressures of pure liquids

A

and

B

are 400 and 600 mmHg, respectively at 298 K. On mixing the two liquids, the sum of their initial volumes is equal to the volume of the final mixture. The mole fraction of liquid

B

is 0.5 in the mixture. The vapour pressure of the final solution, the mole fractions of components

A

and

B

in vapour phase, respectively are What is molecular weight of a substance whose 7.0% by mass solution in water freezes at

--{0.93^0}C

{K_f}

for water is

1.86\mathrm{ }K\mathrm{ }kg\mathrm{ }mo{l^{ - 1}}

A mixture of ethyl alcohol and propyl alcohol has a vapour pressure of 290 mm at 300 K. the vapour pressure of propyl alcohol is 200 mm. If the mole fraction of ethyl alcohol is 0.6, its vapour pressure (in mm) at the same temperature will be