Recently Active Chemistry Questions

plz tell how to decide products in cross aldol condensation? ...

I don't know whether this one is easy or not, but please help me. With which of the reagents can we bring about the following conversion in single step *Image* ?? ...

Ques) Calculate the lattice energy of aslat MX(s) from the data given below:- Heat of formation of MX ( \Delta H) = -550 kj/mol Heat of sublimation of M(s) = 80 kj/mol Heat of dissociation of X2 (D) = 155 kj/mol Ionisation En ...

what is zone refining?????? ...

which single factor accounts for the ability of metals to conduct electricity and heat .....???? why are ionic solids poor conductors of electricity even if they are composed of charged particles????? ...

Can any1 give me a Easy explanation of Resonance effect! THANKS IN ADVANCE ...

why H-P-H bond angle is smaller than H-N-H bond angle in NH3 ...

WHY LATTICE ENERGY OF *Image* ...

explain structure of *Image* ...

in chemical bonding i cant get what is co-ordinate bond ...

how hydrogen bonding dffects dipole moment ...

In which compound C-H bond length is minimum ?? A. Ethane B. Ethene C. 1,2-dibromoethane D. 2-dibromoethane ...

One of the conditions for asolution to behave idealy is that the interactions between the solute and the solvent particles should be the same as those between solute-solute and solvent-solvent particles.Keeping this fact in m ...

500 ml of 0.2 M aqueous solution of acetic acid is mixed with 500 mL of 0.2 M HCl at 25 C. If 6 g of NaOH is added to the above solution,determine the final pH.(Assume no change in volume on mixing) Ka(CH3COOH) = 1.75 x 10-5 ...

NCERT: Intext question A compound forms hcp structure. What is the total number of voids in 0.5 mol of it? How many of these are tetrahedral voids? ...

Q) (A)( yellow coloured solution ) changes to light green coloured solution (B), on passing H2S gas. (A) and(B) both give white precipitate with BaCl2 solution, insoluble in conc. HCl . (A) gives blue coloured precipitate (C) ...

does catalyst increases frequency of colliding molecules ...

*Image* what the difference ...

WHICH OF THE FOLLOWING HAS GOT HIGHEST DIPOLE MOMENT (1) CH2Cl2 (2) CHCl3 (3) CCl4 FIND OUT THE ANSWER WITH REASON ...

Q1. For the reaction 2HI --> H2+I2 the rate constant is k. What is the rate constant of the reaction HI --> H2/2+I2/2 ? Q2. Draw the graph of the temperature dependence of the rate of reaction R of a simple reaction. i. ...

the simplest cycloalkyne is ............... ...

what exactly is the reason that can be accounted for the instability of a carbon atom which has two double bonds? ...

i am a bit confused how to calculate total no . of isomers.. for eg if compound shows optical+geometrical isomerism then how do we count them i mean do cis and trans diff and are counted separately and what about distereomers ...

If atomic H2 is kept in O2 at 20 C,we get A.H2O B.H2O2 C.atomic hydrogen and water D.both A and B. ...

Which of the following rxn. is possible ?? Give reasons-- a.H3PO4 decolorising KMnO4 b.H4As2O7 decolorising Br water. ...

Which of the following is the most exothermic reaction when dissolved in water ?? A. LiI B.CsF C. LiF D. CsI ...

With which halogen can hydrogen react in the dark ?? ...

HOW TO LEARN PERIODIC TABLE IN AN EASY WAY ...

isobutane + Cl2 + hμ → ?? i thought Cl would be attached to 3o carbon but that is not the ans given by Brilliant material. y ?? ...

acetone can be converted into pinacole by???? →pinacole is not a name of specific compound na??? ...