N2 is commercially prepared by
Concentrated nitric acid is a
Which of the following metals is rendered passive by the action of concentrated
Chlorine reacts with dilute NaOH under ordinary conditions to give
XeF4 reacts violently with water to give
Which of the following compounds on heating at about 140 °C gives acetic acid ?
Trichloromethane on heating with aqueous KOH and subsequent treatment with dilute HCl gives
Consider the following sequence of reactions The product (C) is
The following reactions are carried out The end product (B) is
Which of the following compounds will not liberate ammonia gas on refluxing with aqueous NaOH ?
Which of the following is a chiral molecule ?
The structure of 2-methylbutanal is CH3-CH2-CH(CH3)-CHO. The 2nd carbon atom (counting from the aldehyde group) is attached to different groups. so it is a chiral molecule.
Consider the following sequence of reactions
The product (B) is
The reagent that can distinguish benzaldehyde from propionaldehyde is
Which of the following will react with water ?
A secondary amine is a compound which possess
The smallest chiral α - amino acid is
For a zero-order reaction of the type A → products, the rate equation may be expressed as
The units of specific reaction rate for a second-order reaction is
The density of copper is 8.94 g/L find the charge needed to plate an area of 10 x 10cm2 to a thickness
of 10-2 to a thickness of CuSo4 solution as electrolyte(At.wt of Cu = 63.6)
Calculate the standard free energy change for the reaction 2Ag + 2H+ → H2 + 2Ag+
E0 for Ag+ +e- → Ag is 0.8 V
Zn gives H2 gas with H2So4 & HCl but not with HNO3 because
The correct order of decreasing acid strength of
trichloroacetic acid (A),
trifluoroacetic acid (B),
acetic acid (C)
and formic acid (D) is