The normality of 30 volume H2O2 is: from Chemistry NEET Year 201

Subject

Chemistry

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

11.

If the molecular wt. of Na2S2O3 and I2 are M1 and M2 respectively then what will be the equivalent weight of Na2S2O3 and I2 in the following reaction?

2S2O32- + I2  S4O62- + 2I-

  • M1 , M2

  • M1 , M2/2

  • 2M1 , M2

  • M1 , 2M2


12.

A radioactive atom MYX emits two α particles and one β particle successively. The number of neutrons in the nucleus of the product will be:

  • X - 4 - Y

  • X - Y - 5

  • X - Y - 3

  • X - Y - 6


13.

The sp3d2 hybridisation of central atom of a molecule would lead to:

  • square planar geometry

  • tetrahedral geometry

  • trigonal bipyramidal geometry

  • octahedral geometry


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14.

The normality of 30 volume H2O2 is:

  • 2.678 N

  • 5.336 N

  • 8.034 N

  • 6.685 N


B.

5.336 N

Volume strength = 5.6 x normality

or normality = volume strength5.6 = 305.6 = 5.35 N


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15.

The solubility of Ca3(PO4)2 in water is y mol/L. Its solubility product is:

  • 6y4

  • 36y4

  • 64y5

  • 108y5


16.

The hybridisation of C2 and C3 of H3C-CH=C=CH-CH3 are:

  • sp , sp3

  • sp2 , sp

  • sp2 , sp2

  • sp , sp


17.

The ease of nitration of the following three hydrocarbons follows the order:

  • II = III = I

  • II > III > I

  • III > II > I

  • I = III > II


18.

Among the alkenes which one produces tertiary butyl alcohol on acid hydration?

  • CH3-CH2-CH=CH2

  • CH3-CH=CH-CH3

  • (CH3)2C=CH2

  • CH3-CH=CH2


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19.

Which one of the following will show optical isomerism?

  • OH-CH2-CO2H

  • CH3-CH(OH)-CO2H

  • (CH3)2-CH-CO2H

  • (CH3)2-C(Cl)-CO2H


20.

The ozone layer forms naturally by :

  • the interaction of CFC with oxygen

  • the interaction of UV radiation with oxygen

  • the interaction of IR radiation with oxygen

  • the interaction of oxygen and water vapour


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