Eamcet - Chemistry - P Block Elements 13 And 14 Groups 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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Which of the following is not correct

  

  

  

  

The correct order of reducing abilities of hydrides of V group elements is

  

  

  

  

Carbogen to

  

  

  

  

Which of the following is used for making optical instruments ?

  

  

  

  

Two oxides of nitrogen,NO and NO2 react together at 2530K and form a compound of nitrogen X.X reacts with water to yield another compound of nitrogen Y.The shape of the anion of Y molecule is

  

  

  

  

The number of sigma and pi bonds in peroxodisulphuric acid are, respectively

  

  

  

  

Which pair of oxyacids of phosphorous contain ‘P - H' bonds

  

  

  

  

In Fischer-Ringe's method of separation of nobles gas mixture, from air is used

  

  

  

  

The chemical formula of feldspar is

  

  

  

  

SiCl4 on hydrolysis forms X and HCI. Compound X loses water at 1000oC and gives Y. Compounds X and Y respectively are

  

  

  

  

The number of oxygen atoms bonded to one phosphorus atom in P4O6 is:

  

  

  

  

 Which of the following is not correct

  

  

  

  

Calorific value of producer gas is low because of

  

  

  

  

The molecular formula of potash alum is :

  

  

  

  

While phosphorus form PCl5, nitrogen does not form NCl5 because

  

  

  

  

Bauxite is a mineral for the extraction of :

  

  

  

  

Which one of the following noble gases is used in miner's cap lamps

  

  

  

  

Which one of the following compounds in aqueous solution gives a white precipitate with perichloric acid ?

  

  

  

  

Which of the following is not correct

  

  

  

  

Which of the following is the anhydride of HNO3

  

  

  

  

In the Dewar's method of separation of noble gases, the mixture of noble gases is kept in contact with coconut charcoal at 173K. Which one of the following gaseous mixtures is not adsorbed on to the charcoal ?

  

  

  

  

Which of the following is not a peroxy acid

  

  

  

  

The type of bonds present in sulphuric anhydride

  

  

  

  

Which of the following is used in the preparation of generated water (soda)

  

  

  

  

Observe the following statements :I.   Bleaching   powder   is   used   in   the preparation of chloroform.II.  Bleaching powder decomposes in the presence ofCoCl2 to liberate 02.III.Aqueous KHF2 is used in the preparation of fluorine.The correct combination is :

  

  

  

  

The following are some statements related to VA group hydrides,I . Reducing  property increases from NH3 to BiH3.II..Tendency to donate lone pair decreases from NH3 to BiH3III.Thermal stability of hydrides decreases from NH3 to BiH3.IV. Bond angle of hydrides decreases from NH3 to BiH3.The correct statements are

  

  

  

  

CFCl3 is responsible for the decomposition of ozone to oxygen. Which of the following reacts with ozone to form oxygen ?

  

  

  

  

Aluminium reacts with NaOH and forms compound X. If the coordination number of aluminium in X is 6, the correct formula of X

  

  

  

  

Ordinary glass is a combination of the following

  

  

  

  

What is the correct order of occurrence (% by weight) in air of Ne, Ar and Kr ?

  

  

  

  

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