p-Block Elements

IMPORTANT

p-Block Elements: Overview

This topic covers concepts, such as, p-Block Elements, General Configuration of p-Block Elements, Inert Pair Effect & Anomalous Behaviour of First Element of Each Group and its Reasons etc.

Important Questions on p-Block Elements

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Which electron configuration represent elements in the p-block?

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The general electronic configuration of p-block elements is ns2np1-6

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Write the general electronic configuration of p-block elements.

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The oxide, which is neither acidic nor basic is

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Non-metallic character _____ down the group.

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The oxides of nonmetal which is neutral is

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The orange solid on heating gives a colourless gas and a green solid which can be reduced to metal by aluminium powder. The orange and the green solids are, respectively,

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The existence of a lower oxidation state than the group oxidation state of group 13 and 14 elements is explained on the basis of _____ effect. (inert pair / screening)

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Choose the correct option for the stability of dihalides of Si, Ge, Sn and Pb.

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The aqueous solution of  TlI3 consists of :

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Which element is estimated by Carius method

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An element 'X' belongs to fourth period and fifteenth group of the periodic table. Which one of the following is true regarding the outer electronic configuration of 'X'?

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Which order is correct for the stability of +1 oxidation states?

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When PbO2 reacts with concentrated HNO3 the gas evolved is:

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The stability of mono halides of Al, Ga, In, and Tl decreases steadily in the order

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Thallium show different oxidation states because

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On moving down the group, the stability of lower oxidation state increase where as that of higher oxidation state decreases. This effect occurs ns2 electron pair becomes inert and thus the effect is called inert pair effect. This effect is mainly exhibited by

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The outermost electronic configuration of the most electronegative element is

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The correct increasing order of electronegativity for Sn, Sn2+ and Sn4+ species is:

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Which of the following statement is correct ?