Recently Active Inorganic Chemistry Questions

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1..WHAT IS THE COORDINATION NUMBER OF N IN LI3N ??? ...

How do NO3- and PO3- differ structurally? ...

Why is N2O3 most acidic among all the oxides of group 15 elements??? ...

1.arrange order of polarity(with logic)-NH3,PH3,AsH3,SbH3. 2.which of these has the strongest sigma bond-ethane/ethene/ethyne/benzene? ...

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Single Option Correct. 1) An aqueous sol.n of MCl2 containing excess KCN, when treated with H2S will precipitate MS only if "M" is- A) Ni B) Co C) Cu D) Cd 2)A mixture of 2 colourless substanceswas dissolved in water. When ga ...

Another one -- down the halogen group , Silver halides form deeper coloured compounds . Why????? ...

1. Explain how fluorine is prepared by the electrolysis of KHF . 2. Give balanced eqn for the following (i) Fluorine + NaOH (ii) Ozone + aq potassium oxide. 3. Explain exactly why an aqueous solution of potassium hexcyanoferr ...

More than 1 option maybe correct: Which of the foll is/are correct: A)magnesite is the ore of Mg B)ZnS and PbS can be separated in froth floatation by using NaCN as depressant. C)White bauxite is purified by Hall's process D) ...

why stability of metal fourides decreases down the group while that of other halides increases? ...

i have problems in predicting the products of a reaction.can these be predicted .if yes how? ...

1. What type of bonds are present in B2H6.2NH3 (Single Answer) (a) Banana Bond and covalent bond (b) Banana Bond and Ionic Bond (c) Banana Bond and Co-ordinate Bond (d) Ionic Bond, Covalent Bond & Co-ordinate Bond 2. Which of ...

** Only Q6 is more than one correct ** Q1 BeO +NaOH → ? Q2 Which is used for fixing atmospheric nitrogen ? a)nitrolim b)Li3N c)Mg3N2 d)all I am sure abt a)..but not abt others.. Q3 BaC2 +N2 +heat → ?? Q4 CaC2 +N2 +heat ↠...

how to study qualitative analysis ? i find it as a mere collection of facts put together........ i dont know how to learn this part of chemistry . plz help! ...

Pick out the statement(s) which is/are not true about the diagonal relationship of Li and Mg. (A) Like Li, Mg forms a nitride by direct combination with nitrogen. (B) Like lithium, magnesium reacts rapidly with water. (C) Lik ...

CoCl2 + KNO2 + CH3COOH ---> [X] + H2O + KCl + CH3COOK + NO (Unbalanced equation) Which of the following statement is correct ? (A) X is a yellow crystalline solid insoluble in water. (B) X is a green coloured compounds and ...

what is d-d transition and charge transfer ? how do we judge whether the colour is due to dd transition or due to charge transfer? ...

Which of the following ionisation energy order is/are correct : (A) F > cL- (B) F > cL (C) cL>F - (D) CL - > F - ...

How many total no of structural isomers r possible for C4H7cL having parent chain of 4 carbons? ...

im having a very basic doubt regarding "oxidation state".how can nitrogen have +5 oxidation state when it does not have a d-orbital??is it neccessary to have n "unpaired" electrons to show +n ox. state?and how is its maximum ...

Ques 1) CaS exists in a cubic close packed arrangement of S2- ions in which Ca2+ ions occupy 1/2 of the available tetrahedral holes. How many Ca2+ and S2- ions are contained in the unit cell ? (a) 1,1 (b) 2,4 (c)4,4 (d)4,2 Qu ...

Acidified K2Cr2O7will fail to distinguish between A)CO and CO2 B)C2O42- and CO3- C)CO and SO2 D)C2O42- and F- Please state why ...

The ionization energy of the coinage metals fall in the order Cu<Ag>Au .Why ? ...

Statues coated with white lead on long exposure to atmosphere turn black and the original colour can be restored on treatment with H2O2 .Why ? ...

Why does bond angle decrease from from NH3 to PH3? ...

Q1 Is HF dibasic acid ? Q2 Arrange Cl2,Br2,F2,I2 in dec. oxidising power Q3 Oxalic acid +conc.H2SO4 → ?? ...

F- has has greater size than Ne True/false I think its true but my book says Ne Verify my answer. ...

1)Structure of H2S205 plzz? Does it have S-S bomd ...

i was just goin hrough ncert when i came across the fact "basicity in group 5 decreases down the grup......while reducing tendency increses ....now how is it possible... reducing tendency increases means it will it self oxidi ...