Eamcet - Chemistry - Chemical Bonding 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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For the reaction 2SO2(g)+O2(g)2SO3(g) taking place in one litre vessel, the number of moles of SO2 ,O2,SO3 at equilibrium are 2,1 and 2 moles respectively, under a total pressure of 15 atm.The Kp of the reaction is

  

  

  

  

HCl+H2O?H3O++Cl- A Conjugate base of HCl is Cl- B Conjugate base of H3O+ is H2O C Conjugateacid base pair is HCl and H3O+ D Conjugateacid base pair is Cl- and H2O

  

  

  

  

148mg of Ca(OH)2 is required to remove hardness of one lit. of hard water by Clarke’s process. If hardness is due to only calcium bicarbonate, what is the degree of hardness of sample of water?

  

  

  

  

CH2=CH2+HCl→CH3CH2Cl is an example for

  

  

  

  

For the redox reaction Cr2O72+ + C2O42+ + H+ → Cr3+ + CO2 + H2O the correct coefficients of Cr2O72-, C2O42- and H+ in the balanced equation are

  

  

  

  

In which of the following reactions, the concentration of product is higher than the concentration of reactant at equilibrium (K=equilibrium constant)

  

  

  

  

Which of the following is obtained in carbyl amine reaction from aniline

  

  

  

  

One mole of A and 2 moles of B are allowed to react in a one lit flask. What is the value of Kc if at equilibrium,0.4 moles of C is formed in the reaction A+2B⇔C+2D

  

  

  

  

Vicinal dihalide (C2H4Br2) on heating with excess alc.KOH and Zinc dust gives ’y’ and ‘z’ respectively. Both ‘y’ and ’z’ on oxidation with Bayer’s regent gives A and B.A and B respectively are

  

  

  

  

The oxidation states of nitrogen in NH4NO3 is /are

  

  

  

  

The two sulphur atoms in Na2S2O3 have

  

  

  

  

H3O++OH-→2H2O

  

  

  

  

NH4NO3 on heating to 2500C-2600C gives the gas

  

  

  

  

Assertion (A) : A catalyst increases the rate of a reaction.Reason (R) : In presence of a catalyst, the activation energy of the reaction increases. The correct answer is

  

  

  

  

The conjugate acid of SO42- is

  

  

  

  

For a reversible reaction, if the concentrations of the reactants are doubled, then the equilibrium constant value

  

  

  

  

The value of Kp for the reaction 2H2S(g) ⇔ 2H2(g) + S2(g) is 1.2X10-2 at 10650C.The value of KC for the reaction

  

  

  

  

Solubility product of Ba(OH)2 and Al(OH)3 are 1.8x10-10 and 2.4x10-20 respectively.If both Al3+ and Ba+2 ions are present is a solution,which one will be precipated on addition of Ammonium hydroxide solution

  

  

  

  

A sample of water contains 11.1 ppm of CaCl2 and 9.5 ppm of MGCl2 the hardness of water sample is

  

  

  

  

The magnetic oxide of iron is

  

  

  

  

The earthy impurities present in the mineral are called

  

  

  

  

A certain current liberated 0.504g of hydrogen in 2hrs. How many grams of copper can be librated by the same current flowing for the same time in a copper sulphate solution

  

  

  

  

Which of the following not obtained when methyl chloride and n-propyl chloride react with sodium in dry ether

  

  

  

  

One Faraday of current was passed through the electric cells placed in series containing fused electrolytes with Ag+2,Ni2+,Cr3+ ions. The amount of Ag(at.wt=108), Ni(at.wt=59) and Cr(at.wt=52) deposited will be

  

  

  

  

The equilibrium constants for the reactions N2(g)+O2(g)⇔2NO(g) and NO(g)+1/2O2(g)⇔NO2(g) are K1 and K2 respectively. Then the equilibrium constant for the reaction N2(g)+2O2(g)⇔2NO2(g) is

  

  

  

  

The number of structural alcoholic isomers for C4H10O is

  

  

  

  

In the reaction AlCl3+Cl-→[AlCl4]-,AlCl3 acts as

  

  

  

  

An organic compound X on treatment with pyridium dichromate in dichloromethane gives compound Y.Compound Y reacts with I2 and alkali to form idoform.The compound X is

  

  

  

  

Oxide of nitrogen which gives reddish brown colour when exposed to air is

  

  

  

  

If a reaction obeys the following equation. K=2.303/t log10a/a-x, the order of the reaction will be

  

  

  

  

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