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Showing posts with label 15th Group : NITROGEN FAMILY. Show all posts
Showing posts with label 15th Group : NITROGEN FAMILY. Show all posts
Monday, July 26, 2021

Structure of Black phosphorus:

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(1)  Black phosphorous  is thermodynamically most stable allotropes of phosphorous. (2)  It exist in the form of hexagonal layers like gra...
Wednesday, January 13, 2021

What are heating effect of primary, secondary and tertiary salt of sodium phosphate?

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NaH 2 PO 4 (Primary phosphate) on heating undergo polymerization and form a stable hexamer salt ( sodiummetaphosphate ) which known as “CAL...
Tuesday, January 5, 2021

Reasoning Questions of Nitrogen family/15th /Pnictogens!

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(1)  What are "pyro" oxy acids? (2)  What are "Ortho" or "Meta" oxyacids? (3)  What is structure of (HPO3)...

Are all the five bonds of PCl5 equivalent? Justify your answer.

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PCl 5  has Sp 3 d hybridisation and trigonal bipiramidal geometry. PCl 5  has  three equivalent  equatorial and two  equivalent axial  P – C...
Friday, November 20, 2020

Why "meta" phosphoric acid always exit in a polymeric form?

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Meta phosphoric acids and their salts always exist in dimeric, trimeric, tetrameric or in polymeric linear as well as cyclic form, not in m...

What is structure of (HPO3) metaphosphoric acid?

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  Meta Phosphoric acid exit as cyclic structure, the sodium salts of trimer and hexamer is very famous salts. Cyclic trimer contains thre...
Thursday, November 19, 2020

What are the explanation of Different Bond length and Bond Angle In P4O6 and P4O10 :

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  (1)  According to Bent Rule Loan Pair prefer to Stay to in those atomic orbital have more (S) character. (2)  In case of P 4 O 6  molecule...
Thursday, October 8, 2020

Why polarity of Ammonia (NH3) is more than NF3 ?

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  Related Questions: Although electron affinity of chlorine is higher than fluorine, yet fluorine act as better oxidizing agent than chl...
Thursday, August 6, 2020

Why the elements of the second row (first short period) show a number of differences in properties from other members of their respective families?

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The differences in the properties of the first member of a group from those of the other members are due to  (i) the smaller size of atom.  ...

Why is nitrous oxide (N2O) used as an anaesthetic in dentistry?

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N2O is used as an anaesthetic in dentistry because of its inertness .

Where is liquid nitrogen used for?

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Liquid nitrogen is used as a refrigerant to preserve biological specimen, and also used for providing low temperature in super conductivity...

Why does H3PO3 acts as a reducing agent but H3PO4 does not?

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H3PO3 contains one P H bond and hence acts as a reducing agent but H3PO4 does. Related Questions: Which is more basic N(CH3)3 or N(SiH3)3 , ...

Which of the following is/are not known? PCl3, AsCl3, SbCl3, NCl5, BiCl5

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(1) NCl 5 (due to absence of d-orbitals) (2) BiCl 5 (Bi5+ being an oxidizing agent oxidizes Cl ion to Cl 2 and Cl - ion being a reduc...