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Practice Online Test Series for JEE Main 2018 & NEET 2018
Which of the following hybridisation has square planner geometry?
Which of the following has zero dipole moment?
The diamagnetic molecules are:
The correct increasing bond angles order is:
Hypervalent compound is:
The electrophile involved in the above reaction is
Copper is in metallic form in
`0.1M HNO_3(aq.)` The correct plot for the titration with `0.05M NH_4OH(aq.)` The correct plot for the titration is
Which of the following is the correct oxidation product of `CH_3-CH=CH-CH_3` by `H^(o+)` / `KMnO_4`
Major product in following reaction sequence:
Product `P_3` in following reaction sequence
Which ions of lanthanides have completely filled ‘N’ shell
Which of the following have same bond order & magnetic nature like dioxygen
If some `(CH_3)_3` SiCL is mixed with `(CH_3)_2 SiCl_2` and hydrolysed followed by condensation polymerization then
The freezing point of a 0.1M formic acid aqueous is `-0.2046^oC`. Find equilibrium constant of the reaction-
`HCOO^- (aq.)+H_2O (l) ⇌ HCOOH(aq.)+OH^- (aq.)`
Given : `K_f (H_2O)` = 1.86 K-kg mol`e^-1`
Assume solution to be very dilute
In between A and B layers in ABABAB……….. type packing of a metal, there is
In the parallel radioactive decay,
`A overset{lambda_1}{rightarrow} B`
`A overset{lambda_1}{rightarrow} C`
nuclei of A, B & C becomes equal is
[Given `lambda_1 = l n3 hr^-1, lambda_2 =l n3 hr^-1]`
Which one of the following represent correct major product for the given reaction.
`CH_3-underset{underset{CH_3}{|}}{C}H_2-CH=CH_2 underset mbox{Peroxide}{stackrel{HBr}{rightarrow}`
Which of the following are incorrect statement
Compound which can consume more than one mole of Ph-`NHNH_2` per mol is-
