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The statement that is not correct for pe...

The statement that is not correct for periodic classification of elements is:

A

For transition elements the d-subshells are filled with electrons monatomically with increase in atomic number

B

The properties of elements are the periodic functions of their atomic numbers

C

The first ionisation energies of elements along a period vary in a regular manner with increase in atomic number

D

Non-metallic elements are lesser in number than metallic elements.

Text Solution

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The correct Answer is:
C
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 3-(CHEMISTRY)
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  2. The bond between two identical non-metal atoms has a pair of electrons

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  3. Which is not easily precipitated from aqueous solution?

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  4. The number of d-electrons Fe^(2+)(Z=26) is not equal to that to the

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  5. The compound with the highest boiling point is

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  6. If the solubility product of AgBrO3 and Ag2 SO4 are 5.5 xx 10^(-5) and...

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  7. Which is not a Lewis acid?

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  8. E^(@) for a cell having, Fe to Fe^(2+) + 2e, E^(@) = 0.40 V Zn to Zn^(...

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  9. Calculate the volume of hydrogen at NTP obtained by passing a current ...

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  10. One of the following is not an example for a redox reaction , it is :

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  11. The atomic weight of a metal (M) is 27 and its equivalent weight is 9,...

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  12. An atom of radium combines with two atoms of chlorine to form RaCl2 mo...

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  13. Total number of valency electrons in phosphonium ion PH(4)^(+) is

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  14. KE of one mole of He at 0°C is

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  15. For the reaction, C(2) H(4) (g) + 3O(2) (g) to 2 CO(2) (g) + 2H(2) O...

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  16. If S^(@) for H(2), CI(2) and HCI are 0.13 , 0.22 and 0.19 kJ K^(-1) mo...

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  17. The resistivity of 0.5 N solution of an electrolyte in a conductivity ...

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  18. Which one is an acidic salt

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  19. In a reaction 2A product, the concentration of A decreases from 0.5 mo...

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  20. According to phase rule, if P = 3, C = 1, then F must be equal to

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