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Write the general outer electronic configuration of group elements.
Important Questions on Elements of Group 13,14 and 15
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Of the following compounds, the most acidic is:

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The element that does not show catenation is

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What is the atomicity of aluminium phosphate?

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An allotrope of carbon which exhibits only two types of bond distance of and , is

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The first ionisation energies (in ) of four consecutive elements of the second period are given in the options. The first ionisation energy of nitrogen is

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Which among the group -15 elements does NOT exist as tetra atomic molecule?

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The alloy used in the construction of aircrafts is:

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Due to bonding interactions, nitrogen for but phosphorus forms and does not form a diatomic molecule.

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(a) is known whereas is not known. Why?
(b) Bleaching of flowers by chlorine is permanent while that by sulphur dioxide is temporary. Explain.

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With respect to group 15 elements, answer the following :
Comment on the trend in ionisation enthalpy giving reason.

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An element belongs to period and group of the periodic table. Which one of the following is true regarding order electronic configuration of It has

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The correct option from below is

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In group , the melting points of the elements:

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Name the elements of group . What is their valence shell electronic configuration?

HARD
Which of the following statements is incorrect for the group elements?

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Among the members of the group (, , , and ), which of the following properties show an increase as we go down from nitrogen to bismuth:

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What is the electronic configuration of in ?

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The boiling point of group follows the order:-

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Which of the following is the increasing order of enthalpy of vaporisation?

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There is considerable increase in covalent radius from to . However, from to only small increase (of pm) in covalent radius is observed. This is due to:

