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Chemistry

States of Matter - Solid State

Isolation of Elements

p-Block Elements

d- and f-block elements

Coordinate Compounds

Haloalkanes and Haloarenes

Alcohols, Phenols and Ethers

Aldehydes, Ketones and Carboxylic Acids

Amines

Biomolecules

Polymers

Chemistry in everyday life

Which of the following oxides is amphoteric in character ?

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Which of the following has the least bond angle ?

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Which of the following reaction is not feasible ?

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Sulphur molecule is :

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The maximum covalency of Sulphur is

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Which of the following has the highest bond energy ?

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The hybridization of $sin SF_4$ is :

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Hybridization of sulphur is $SO_3$ is :

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Which one of the following is the strongest base ?

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The range of oxidation states shows by phosphorous is form

asked Feb 15, 2017 by meena.p

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$P_2O_5$ is used extensively as a :

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Ammonia can be dried by :

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Which of the following is not hydrolyzed?

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Which of the following oxides of nitrogen is thermally stable ?

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The compound which has a molecular nature in gas phase but ionic ionic in solid state is :

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Which of the following is called laughing gas?

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Which of the following oxides of nitrogen is paramagnetic ?

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How does vulcanization change the properties of natural rubber ?

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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

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Which of the following is iso electronic pair ?

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Which of the following peroxoacids of sulphur ?

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Which of the following is not tetrahedral in shape ?

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

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Maximum covalency of nitrogen is :

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Which of the following element does not show allotropy ?

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

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Which of the following acids forms three series of salts ?

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

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

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

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Which of the following carbides is an allylides ?

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A large number of poly phosphoric acids and salt arise by

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

asked Feb 13, 2017 by meena.p

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Oxalic acid and formic acid both are the producer ?

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Which one is correct about borazole ?

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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

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Which of the following allot ropes represents prismatic sulphur?

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Which of the following statements is not correct ?

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Which of the following statements is not correct ?

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

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Which of the following statement is correct ?

asked Feb 13, 2017 by meena.p

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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

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Which of the following statements is wrong ?

asked Feb 13, 2017 by meena.p

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The first noble gas compound ever synthesized is

asked Feb 10, 2017 by meena.p

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What is bond angle p-p-p in $P_4$ ?

asked Feb 10, 2017 by meena.p

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Which one of the following is a tetra basic acid ?

asked Feb 9, 2017 by meena.p

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Which of the following regarding sulphurous acid is not correct ?

asked Feb 9, 2017 by meena.p

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

asked Feb 9, 2017 by meena.p

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Which of the following statement regarding nitric oxide is not correct

asked Feb 9, 2017 by meena.p

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