Recently Active Chemistry Questions

1)A:o-chlorotoulene on treatment with NaNH2/NHH3 gives o and m toulidene R: this reaction is nucleophlic aromatic substitution 2)A:Alkeenes are more reactive than alkynes in electrophilic addition reactions R:Alkyl carbocatio ...

Q1. The weakest base among the following is: (a) amines (b) Amides (c) Ketones (d) Nitriles more will be added after this question gets answerd ...

BT says a) wheras arihant says b) *Image* ...

MnO2 + Pb3O4 + HNO3 ---> HMnO4 + Pb(NO3)2 + H2O Balance this equation I an having a doubt due to fractional charge on Pb on LHS ...

2-methyl propanal undergoes which reaction in basic medium ? ...

which of following os not ah example of pseudo unimoleculer reactions a)ch3cooc2h5+h2o gives (in presence of h+) ch3cooh+c2h5oh b)same reaction in presence of oh- c)c12h22011+h2o giving c6h12o6 in presence of h+ d)ch3cocl+h2o ...

C2H5ONa is a ___________________ in C2H5OH. a) strong acid b) strong base c) weak acid d) weak base The most important question....... WHY ??? ...

1. Statement-1: In diamond carbon atoms occupy alternate tetrahedral voids in the FCC lattice formed by the carbon atoms Statement-2: In diamond, packing fraction ismore than 74%. 2. Which of the following properties of theme ...

Compounds used as refrigant are ?? a)NH3 b)CCl4 c)CF4 d)CF2Cl2 e)CH2F2 any concept or just crammmed ans ???? ...

1. The depression in freezing point caused by a 1M NaCl solution is 0.0123°C. What will be the depression in freezing point caused by 1M glucose solution? 2. When HgI2 is mixed with aqueous solution of KI then freezing point ...

1. The depression in freezing point caused by a 1M NaCl solution is 0.0123°C. What will be the depression in freezing point caused by 1M glucose solution? 2. When HgI2 is mixed with aqueous solution of KI then freezing point ...

1..thermodynamic equilibrium constant k is a unitless quantity (T/F) ...

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ISC Chemistry What structural features cause the difference between thermosetting and thermoplastic polymers? What is the effect of heat on thermosetting and thermoplastic polymers? ...

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1. Phenol + C6H5COCl --------OH-------> HCl + (P) Identify (P) Is P C6H5COOC6H5 2. (True/False) Give reason. Nitration of nitrobenzene is easier than benzene. ...

*Image* YAAR IS THIS AN EXCEPTION?????I THINK BY EXPLANATION GIVEN IT SHOULD DECREASE WITH INCREASING POLARITY......FUNNY!!!!!!! ...

multi answer correct: 1)which of these is true about binary liquid solution showing +ve deviation to raoults law? a)solute-solute interaction is stronger than solute-solvent interaction b)solvent-solvent interaction is strong ...

need only answer (CH3)3CMgCl +D2O→? ...

1.P4 exists but N4 does not...again N2 exists but P2 doesn't...why ?????? ...

PLZ IGNORE THIS THREAD N NO REPLIES REQUESTED!!!!!THNANX!!! *Image* TRUE ...

1.why joule thomson effect zero in case of ideal gases????? ...

Product of combustion of aliphatic thiol are at 298K are ?? ...

The electrolysis of cold sodium chloride solution produces NaOH and Cl2. The Cl2 produced, the disproportionates into NaOH solution to give sodiumhypochlorite (NaClO) and sodiumchloride.How longwill a cell operate to produce ...

*Image* TRUE / FALSE ????? ...

1.. *Image* ...

If CO Bond length = 1.128 Angstorm, then the possible value of CO bond length is Fe(CO) is (a) 1.128 A (b) 1.10A (c) 1.13 A (d) 10115A I do not understand how the d pi- p pi bonding will affect eh bond order of CO bond….??? ...

*Image* ALSO EXPLAIN CONCEPT BEHIND UR ANSWER!!!!!!! ...

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HELLO ALL. ANYONE PREPARING FOR IIT-JEE WOULD SURELY GET HIS TOPICS DONE, BUT DURING THEIR PREPARATION, MORE THAN MANY,NEGLECT A SUBJECT CALLED INORGANIC CHEMISTRY. THIS ALSO CREATES A DIFFERENCE IN RANKS.TO,AVOID THAT FOR TI ...