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The observed discontinuity in the ionisa...

The observed discontinuity in the ionisation enthalpies between Al and Ga and between In and TI are due to

A

poor shielding of d and f electrons to compensate the increase in nuclear charge

B

High screening effect of d and f electrons

C

Sudden increase in size of Ga and TI

D

Marginal increase in electronegativity of elements from Al to Tl

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AAKASH INSTITUTE ENGLISH-TEST 9-EXAMPLE
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  2. Which of the following can react with steam?

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  3. The observed discontinuity in the ionisation enthalpies between Al and...

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  4. Which of the following is not the point of difference between Be and o...

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  5. Give the monomers and uses of Nylon 66

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  7. Define medicine. Give two types of medicines with examples

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  8. Calculate the molar mass of Aluminum oxide

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  9. The correct incresing order of oxidation state of Cl is

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  10. The pair of species having paramagnetic nature and same bond order is

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  11. (a)Give example of Vat dye. (b)Give use of Morphine. (c) Name of liq...

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  12. Highest bond angle is observed in

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  13. 98.5 kg of gold was recovered from a smuggler. The atoms of gold recov...

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  14. Read the following statements (i) The correct order of energy differ...

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  15. Number of electrons of Cr^o+ having azimuthal quantum number (l) = 0...

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  16. Two elements P and Q combine to form two different compounds in stoic...

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