Recent questions in p-Block Elements

Which of the following is called laughing gas?

asked Feb 15, 2017 by meena.p

1 answer

Which of the following oxides of nitrogen is paramagnetic ?

asked Feb 15, 2017 by meena.p

1 answer

Which of the following is tri basic ?

asked Feb 14, 2017 by meena.p

2 answers

Electronic configuration $Is^2 ,2S^2,2P^1x2P^1y2P^1z$ respectively which of th following element ?

asked Feb 14, 2017 by meena.p

1 answer

Which of the following is iso electronic pair ?

asked Feb 14, 2017 by meena.p

1 answer

Which of the following peroxoacids of sulphur ?

asked Feb 14, 2017 by meena.p

1 answer

Which of the following is not tetrahedral in shape ?

asked Feb 14, 2017 by meena.p

1 answer

The oxidation state of central atom in the anion of compound $NaH_2PO_2$ will be

asked Feb 14, 2017 by meena.p

1 answer

Maximum covalency of nitrogen is :

asked Feb 14, 2017 by meena.p

1 answer

Which of the following element does not show allotropy ?

asked Feb 14, 2017 by meena.p

1 answer

On heating lead nitrate forms oxides of nitrogen and lead . The Oxides formed are

asked Feb 14, 2017 by meena.p

1 answer

Which of the following acids forms three series of salts ?

asked Feb 14, 2017 by meena.p

1 answer

Which of the following pairs of ions are isoelectronic and isostructural ?

asked Feb 14, 2017 by meena.p

1 answer

Which of the following elements can be involved in $p \pi - d \pi$ bonding ?

asked Feb 14, 2017 by meena.p

1 answer

The product obtained in the reaction of diborance with excess of ammonia is

asked Feb 14, 2017 by meena.p

1 answer

Which of the following carbides is an allylides ?

asked Feb 14, 2017 by meena.p

1 answer

A large number of poly phosphoric acids and salt arise by

asked Feb 14, 2017 by meena.p

0 answers

What products do you expecting the following reaction ? $AlN+NaOH+H_2O \to A+B$

asked Feb 13, 2017 by meena.p

1 answer

Oxalic acid and formic acid both are the producer ?

asked Feb 13, 2017 by meena.p

1 answer

Which one is correct about borazole ?

asked Feb 13, 2017 by meena.p

1 answer

In the manufacture of sulphuric acid by the contact process , $SO_3$ is not added to water directly to form $H_2SO_4$ because

asked Feb 13, 2017 by meena.p

1 answer

Which of the following allot ropes represents prismatic sulphur?

asked Feb 13, 2017 by meena.p

1 answer

Which of the following statements is not correct ?

asked Feb 13, 2017 by meena.p

1 answer

Which of the following statements is not correct ?

asked Feb 13, 2017 by meena.p

1 answer

For naming the oxo-acids of phosphorus , the prefix 'pyro' is used for

asked Feb 13, 2017 by meena.p

1 answer

Which of the following statement is correct ?

asked Feb 13, 2017 by meena.p

1 answer

An element was burnt in limited supply of oxygen . The oxide (H) was formed which was treated with water to yield an acid (B). The acid (B) was oxidised to give another acid (C). The acid (C) gave yellow precipitate with $AgNO_3$ solution . The oxide (A) is

asked Feb 13, 2017 by meena.p

1 answer

Which of the following statements is wrong ?

asked Feb 13, 2017 by meena.p

1 answer

The first noble gas compound ever synthesized is

asked Feb 10, 2017 by meena.p

1 answer

Which one of the following is a tetra basic acid ?

asked Feb 9, 2017 by meena.p

1 answer

Which of the following regarding sulphurous acid is not correct ?

asked Feb 9, 2017 by meena.p

1 answer

Which of the following statement regarding nitrous oxide is not correct ?

asked Feb 9, 2017 by meena.p

1 answer

Which of the following statement regarding nitric oxide is not correct

asked Feb 9, 2017 by meena.p

1 answer

Which of the following statements is correct for $CSBr_3$ ?

asked Feb 9, 2017 by meena.p

1 answer

Which of the following statement is incorrect about ozone ?

asked Feb 9, 2017 by meena.p

1 answer

Which of the following sets contains oxides in the sequence of basic amphateric and acidic in nature respectively

asked Feb 9, 2017 by meena.p

1 answer

The dissolution of $AgBr$ in $S_2O_3^{-2}$ produces

asked Feb 9, 2017 by meena.p

1 answer

Which of the following compound produces $SO_3$ as the only gas on heating ?

asked Feb 9, 2017 by meena.p

1 answer

Which of the following statements regarding sulphur dioxide is not correct ?

asked Feb 9, 2017 by meena.p

1 answer

Hypo phosphorous acid is

asked Feb 9, 2017 by meena.p

1 answer

Which are of the following acids is a dibasic acid ?

asked Feb 9, 2017 by meena.p

1 answer

With excess of $Cl_2$ ammonia forms

asked Feb 9, 2017 by meena.p

1 answer

Which of the following statement regarding nitric oxide is not correct ?

asked Feb 9, 2017 by meena.p

1 answer

Which of the following acids of nitrogen is a white solid ?

asked Feb 8, 2017 by meena.p

1 answer

Which of the following statement is correct ?

asked Feb 8, 2017 by meena.p

1 answer

Which of the following carbide is a methanide ?

asked Feb 8, 2017 by meena.p

1 answer

Which of the following statement regarding $N_2O_4$ is not correct ?

asked Feb 8, 2017 by meena.p

1 answer

Which one of the following ids purely reducing agent

asked Feb 7, 2017 by meena.p

1 answer

Nitrogen (1) oxide is produced by

asked Feb 7, 2017 by meena.p

1 answer

Sodium thiosulphate is used in photography because of its

asked Feb 7, 2017 by meena.p

1 answer

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