Eamcet - Chemistry - Physical Chemistry Test

Test Instructions :

1. The Test is 1hr duration.
2. The Test Paper consists of 30 questions. The maximum marks are 30.
3. All the questions are multiple choice question type with three options for each question.
4. Out of the three options given for each question, only one option is the correct answer.
5. Each question is allotted 1 mark for each correct response.
6. 0.25 will be deducted for incorrect response of each question.
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What is the volume (in litres) of oxygen required at STP to completely convert 1.5 mol of sulpher into sulpher dioxide

  

  

  

  

One mole of fluorine is reacted with two moles of hot concentrated KOH. The products formed are KF, H2O and O2. The molar ratio of KF, H2O and O2 respectively is

  

  

  

  

How many litres of oxygen (at STP) are required for complete combustion of 39 g of liquid benzene?(Atomic weights: C = 12, O = 16, H = 1)

  

  

  

  

0.84 g of metal carbonate reacts exactly with 40 mL of N/2 H2S04. The equivalent weight of the metal carbonate is :

  

  

  

  

Assertion (A) : Equal moles of different substances contain same number of constituent particles.Reason (R) : Equal weights of different substances contain the same number of constituent particles.The correct answer is

  

  

  

  

One mole of N2H4 loses 10 moles of electrons to form a new compound Z.Assuming that all the nitrogens appear in the new compound, what is the oxidation state of nitrogen in Z? (There is no change in the oxidation state of hydrogen)

  

  

  

  

X liter of carbon monoxide is present at STP. It is completely oxidized to CO2. The volume of CO2 formed is 11.207 litres. What is the value of X in litres

  

  

  

  

1.5 g of CdCl2 was found to contain 0.9 g of Cd. Calculate the Atomic weight of Cd

  

  

  

  

A metal nitride contains 28% nitrogen by weight. The molecular formula of metal nitride is M3N2 What is the atomic weight of metal

  

  

  

  

An organic compound containing C and H has 92.3% of carbon, Its empirical formula is:

  

  

  

  

x grams of calcium carbonate was completely burnt in air. The weight of the solid residue formed is 28g. What is the value of x (in grams)

  

  

  

  

138 g of ethyl alcohol is mixed with 72 g of water. The ratio of mole fraction of alcohol to water is

  

  

  

  

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