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The gram molecule of benzene is equal to...

The gram molecule of benzene is equal to __________ g `C_(6)H_(6)`

A

70

B

72

C

10

D

78

Text Solution

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The correct Answer is:
D
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The heat evolved in the combustion of benzene is given by the equation: C_(6)H_(6)(g) + (15)/(2) O_(2)(g) to 6CO_(2)(g) + 3H_(2)O(l), DeltaH = - 3264.6 kJ "mol"^(-1) The heat energy changes when 39 g of C_(6)H_(6) are burnt im an open ontainer will be:

In photosyntheses, 6 molecules of carbon combine with an equal number of water molecules through a complex series of reactions to give a molecule of glucose having a molecular formula C_(6)H_(12)O_(6) . How many grams of water would be requried to produce 18g of glucose? Compute the volume of water so consumed assuming the density of water to be 1g cm^(-3) .

How many single and double bonds are present in the molecule of benzene (C_(6)H_(6)) ?

Type of forces between molecules of C_(6)H_(6) are

The heat evolved in combustion of benzene is given by the following equation : C_(6)H_(6)+15//2O_(2)to3H_(2)O+6CO_(2) : DeltaH=-3264.6 kJ Which of the following quantities of heat will be evolved when 39g of benzene are burnt in an open container ?

How many molecules of benzene (C_(6) H_(6)) are there in 1 L of benzene ? Specific gravity of benzene is 0.88.

When enthyne is passed through a red hot tube, then formation of benzene takes place: Delta_(f)H_((C_(2)H_(2))(g))^(Theta) = 230 kJ mol^(-1) Delta_(f)H_((C_(6)H_(6))(g))^(Theta) = 85kJ mol^(-1) Calculate the standard heat of trimerisation of ethyne to benzene: 3C_(2)H_(2)(g) rarr C_(6)H_(6)(g)

TARGET PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-EVALUATION TEST
  1. The gram molecule of benzene is equal to g C(6)H(6)

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  2. Weight of 112 ml of oxygen at NTP on liquefaction would be

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  3. The largest number of molecules in

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  4. The mass of a molecule of water

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  5. The modern atomic weight scale is based on

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  6. Which of the following gives CORRECT order of increasing masses? (At...

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  7. What is the weight of oxygen required for the complete combustion of 2...

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  8. 100 mL of PH(3) on decomposition produced phosphorus and hydrogen. The...

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  9. The molecular weight of a gas is 45. Its density at STP is

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  10. 1.4 moles of phosphorus trichloride are present in a sample. How many ...

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  11. In the reaction, 4NH(3)(g)+5O(2)(g) rarr 4NO(g)+6H(2)O(g), when 1 mole...

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  12. What weight of SO(2) can be made by burning sulphur in 5.0 moles of ox...

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  13. In INCORRECT statement for 14 g of CO is .

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  14. The number of gram atom of oxygen in 6.02xx10^(24) CO molecules is

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  15. Empricial formula of a hydrocarbon containing 80 % carbon and 20% hy...

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  16. Which of the following drug ailment pairs is CORRECT?

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  17. The magnitude of femto is

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  18. The number of moles in y g of helium gas is equal to

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  19. Which of the following is NOT a fundamental SI unit?

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  20. For a reaction A+3BtoC+D the amount of C formed by starting the reacti...

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  21. In an experiment 2.16 g of copper was dissolved in nitric acid followe...

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