Chemistry Quiz 25

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Chemistry Quiz 25

1 / 61

For which mechanisms the first step involved is the same ?

2 / 61

Acetone reacts with HCN to form a cyanohydrin. It is an example of________________?

3 / 61

When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

4 / 61

Hydrogenolysis results in the formation of________________?

5 / 61

By combining n atmic orbitals no. of hybrid orbitals will be__________________?

6 / 61

Pressure in gas discharge tube was kept________________?

7 / 61

Size of filter paper is selected according to the amount of__________________?

8 / 61

The strength of solution of an element whose electrode potential is to be measured is________________?

9 / 61

Electrolysis of dilute solution of NaCl results at the anode_______________?

10 / 61

Elements with similar chemical properties appear in the_________________?

11 / 61

The use of antifreeze in the automobile radiator is an important application of__________________?

12 / 61

If we provide very high amount of heat to a liquid its boiling point will__________________?

13 / 61

The radioactive isotope of hydrogen is called___________?

14 / 61

The word Alkali means__________________?

15 / 61

Ionic bond is produced after complete transfer of ________________ ?

16 / 61

Sum of protons and neutrons in an atom gives off _________ ?

17 / 61

Compounds having same molecular formula but differ in structural formula are called __________________?

18 / 61

moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?

19 / 61

Polyethylene Glycols are used in the preparation of which type of detergents?

20 / 61

Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?

21 / 61

Energy required to form transition state is called _________________?

22 / 61

Which of the following statements about isotopes is correct ?

23 / 61

Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?

24 / 61

Which molecule has the highest bond energy among the halogens_________________?

25 / 61

In alkaline battery the anode is made up of______________________?

26 / 61

Solubility of any salt can be determined from_______________?

27 / 61

The carbon atom of carbonyl group is__________________?

28 / 61

How many isotopes have odd atomic number ?

29 / 61

Catalyst used to speed up the reaction of ammonia synthesis is________________________?

30 / 61

The ether used in Wurtz synthesis is__________________?

31 / 61

Which of the following compounds is not soluble in HNO3___?

32 / 61

Phosphene gas will be produced if phosphorous acid is subjected to___________________?

33 / 61

Which one of the following has polar covalent bond ?

34 / 61

Deuterium reacts with oxygen to form________________?

35 / 61

K2 (Cu(CN)4) which one is correct___________________?

36 / 61

Spontaneous reactions are_______________?

37 / 61

Which of the following oxides of iodine is used for quantitative analysis of CO ?

38 / 61

Formalin is ___________ solution of formaldehyde in water?

39 / 61

Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?

40 / 61

Co-enzymes are_________________?

41 / 61

Allotropic form of phosphorus that is poisonous is___________________?

42 / 61

Pure metal__________________?

43 / 61

Which one of the following is an inorganic fertilizer ?

44 / 61

Grignard reagent is reactive due to___________________?

45 / 61

Requirement of macronutrient per acre of the land is_________________?

46 / 61

The processes of effusion and diffusion are best understand by________________?

47 / 61

Which of the following is not considered as an intermolecular force between molecules ?

48 / 61

The fertility of the soil is improved by________________?

49 / 61

Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?

50 / 61

How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum ?

51 / 61

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

52 / 61

Reaction at anode is called________________?

53 / 61

Animal fats are located particularly in__________________?

54 / 61

The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?

55 / 61

The molecules of CO2 in dry ice form__________________?

56 / 61

The non-ideal behaviour results chiefly from________________?

57 / 61

Phosphorus is a Greek word and it means_________________?

58 / 61

An atom loses or gains electrons to__________________?

59 / 61

Liquid crystal is discovered by __________________?

60 / 61

Which discovery caused a revision in the periodic law as stated by Mendeleev ?

61 / 61

Which ion will have maximum value of heat of hydration ?

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