Recently Active Chemistry Questions

A d-orbital can accomodate maximum 10 electrons only(True/False) My book says its false but i think it should be true Whats your take?? ...

The radii of maximum probability for 3s,3p and 3d electrons follow what order?? ...

Ques 1) *Image* Ques 2) Following synthesis is effective when CH3CO C l + R2 Cd → RCOCH3 + R Cd C l R is of the type :- (a) (CH3)2 CH - (b) (CH3)3C CH2- (c) (C6H5)2 CH- (d) All of these ...

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compound (A) with formula C10H16 having two cyclopropane rings react with 3 moles of H2 in presence of Ni at 120C.It gives same product (B) on oxidative as well as reductive ozonylisis,A and B are both non resolvable. 1)Ident ...

*Image* plz try this. my method is lengthy. thus , hoping for a bit conservative than that. ...

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

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confused b/w ans given in book....plz reply with ur strucutres *Image* ...

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 ...

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Multiple answers correct. Select correct statements about FCC (ABCAB..) structure- a) Dist. b/w nearest octahedral void & tetrahedral void is 3 a/4 b)Dist. b/w two nearest octahedral void is a/ 2 . c) Dist. b/w two nearest te ...

What is the composition of vapour which is in equillibrium at 30°C with a benzene - toulene solution with mole fraction of benzene as 0.4? P°b = 119 torr P°t = 37 torr ...

more than one correct Q1 photoelectric effect supports quantum nature of light a)there is min frequency below which photoelectrons are emmited b)max KE of photoelectons depends only on frequency of light and not on intensity ...

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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) ...

Q1 compound reacts fastest with NaOH a)(CH3)4N+I- b)CH3OCH3 c)(CH3)3S+I- d)(CH3)3C-Cl Q2 *Image* ...

which is most acidic H *Image* ...

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The Unit Cell of a crystalline solid is bounded by f (faces) , e (edges) and c (interfacial angles) . WHich of the following relation is correct: A. f + e = c +2 B. f + c = e + 2 C. c + e = f + 2 D. NONE OF THESE ...

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? ...

There is very little difference in the acid strength of H3PO2,H3PO3,H3PO4 because a)P is not a highly electronegative element b)The hydrogen atoms are not directly bonded to P atom c)Phosphorous exists in different oxidation ...

Just random thoughts coming to my mind... 1) We know tht in CuSO4.5H2O 4water moecules are coordinated n 1 is H-bonded. So when the hydrated salt is heated, initially, one water molecule remains. Is this the H-bonded one ? 2) ...

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dbts which came to my mind while studying today.. Q1 can conc H3PO4 +conc HNO3 be used as nitrating mixture ?? Q2 we know acetylene is highly acidic...butg it never exists in soln in this form H-C≡C- +H+ ... why ??? Q3 why ...

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 ...

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1>what is Hinsberg test ?? 2>C6H5CH2I + NaN3 (at 390°C) → products .. What is the various possible products if the reaction is assumed to involve nitrene as an intermediate ? ...